KHAN+Algebra+and+Geometry+Video's

NAHS MAC Lab Prescription  - go to: [] Additional grade level video's are available at the website listed above Listing of Available Video’s for Arithmetic and Pre-Algebra [|Basic Addition] [|Basic Subtraction] [|Addition 2] [|Subtraction 2] [|Addition 3] [|Subtraction 3: Introduction to Borrowing or Regrouping] [|Addition 4] [|Level 4 Subtraction] [|Subtraction Word Problem] [|Negative Numbers Introduction] || [|Adding Negative Numbers] [|Multiplication 2: The Multiplication Tables] <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none; vertical-align: baseline;">[|Multiplication 3: 10,11,12 times tables] <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none; vertical-align: baseline;">[|Division 1] <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none; vertical-align: baseline;">[|Division 2] <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none; vertical-align: baseline;">[|Dividing Whole Numbers and Applications 1] <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none; vertical-align: baseline;">[|Multiplication 4: 2-digit times 1-digit number] <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none; vertical-align: baseline;">[|Multiplication 5: 2-digit times a 2-digit number] <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none; vertical-align: baseline;">[|Multiplying Whole Numbers and Applications 2] <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none; vertical-align: baseline;">[|Lattice Multiplication] <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none; vertical-align: baseline;">[|Why Lattice Multiplication Works] <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none; vertical-align: baseline;">[|Multiplying Whole Numbers and Applications 4] <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none; vertical-align: baseline;">[|Multiplication 6: Multiple Digit Numbers] <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none; vertical-align: baseline;">[|Multiplication 7: Old video giving more examples] || # <span style="font-family: Arial,sans-serif;">1. > <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[| Adding subtracting mixed numbers 0.5 (ex 1)]
 * **<span style="font-family: Arial,sans-serif;">Addition and Subtraction **
 * 1) <span style="font-family: Arial,sans-serif;">1. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Adding/Subtracting negative numbers]
 * 2) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Adding integers with different signs]
 * 3) <span style="font-family: Arial,sans-serif;">3. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Subtracting Whole Numbers]
 * 4) <span style="font-family: Arial,sans-serif;">4. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Level 2 Addition]
 * 5) <span style="font-family: Arial,sans-serif;">5. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Why borrowing works]
 * 6) <span style="font-family: Arial,sans-serif;">6. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Alternate mental subtraction method]
 * 7) <span style="font-family: Arial,sans-serif;">7. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Adding Whole Numbers and Applications 1]
 * 8) <span style="font-family: Arial,sans-serif;">8. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|u09 l1 t2 we4 Adding Real Numbers Application] ||
 * [|**Basic Multiplication**]
 * 1) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Multiplying Whole Numbers and Applications 6]
 * 2) <span style="font-family: Arial,sans-serif;">3. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Division 3: More long division and remainder examples]
 * 3) <span style="font-family: Arial,sans-serif;">4. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Partial Quotient Division]
 * 4) <span style="font-family: Arial,sans-serif;">5. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Level 4 division]
 * 5) <span style="font-family: Arial,sans-serif;">6. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Partial Quotient Method of Division 2]
 * 6) <span style="font-family: Arial,sans-serif;">7. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Multiplying Whole Numbers and Applications 1]
 * 7) <span style="font-family: Arial,sans-serif;">8. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Place Value 1]
 * 8) <span style="font-family: Arial,sans-serif;">9. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Place Value 2]
 * 9) <span style="font-family: Arial,sans-serif;">10. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Place Value 3]
 * 10) <span style="font-family: Arial,sans-serif;">11. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Rounding Whole Numbers 1]
 * 11) <span style="font-family: Arial,sans-serif;">12. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Rounding Whole Numbers 2]
 * 12) <span style="font-family: Arial,sans-serif;">13. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Rounding Whole Numbers 3]
 * 13) **<span style="font-family: Arial,sans-serif;">1. ** [|**Negative Numbers Introduction**]
 * 14) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Ordering Negative Numbers]
 * 15) <span style="font-family: Arial,sans-serif;">3. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Adding Negative Numbers]
 * 16) <span style="font-family: Arial,sans-serif;">4. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Adding integers with different signs] ||
 * || # <span style="font-family: Arial,sans-serif;">1.
 * 1) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Adding/Subtracting negative numbers]
 * 2) <span style="font-family: Arial,sans-serif;">3. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Multiplying Positive and Negative Numbers]
 * 3) <span style="font-family: Arial,sans-serif;">4. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Dividing Positive and Negative Numbers]
 * 4) <span style="font-family: Arial,sans-serif;">5. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Why a Negative Times a Negative is a Positive]
 * 5) **<span style="font-family: Arial,sans-serif;">1. ** **<span style="font-family: Arial,sans-serif;">Number Properties **
 * 6) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Commutative Law of Addition]
 * 7) <span style="font-family: Arial,sans-serif;">3. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Commutative Law of Multiplication]
 * 8) <span style="font-family: Arial,sans-serif;">4. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Associative Law of Addition]
 * 9) <span style="font-family: Arial,sans-serif;">5. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Associative Law of Multiplication]
 * 10) <span style="font-family: Arial,sans-serif;">6. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Commutative Property for Addition]
 * 11) <span style="font-family: Arial,sans-serif;">7. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|The Distributive Property]
 * 12) <span style="font-family: Arial,sans-serif;">8. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|The Distributive Property 2]
 * 13) <span style="font-family: Arial,sans-serif;">9. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Distributive Property Example 1]
 * 14) <span style="font-family: Arial,sans-serif;">10. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|CA Algebra I: Number Properties and Absolute Value]
 * 15) <span style="font-family: Arial,sans-serif;">1.
 * 16) <span style="font-family: Arial,sans-serif;">2.
 * 17) <span style="font-family: Arial,sans-serif;">3. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Identity Property of 1]
 * 18) <span style="font-family: Arial,sans-serif;">4. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Identity property of 1 (second example)]
 * 19) <span style="font-family: Arial,sans-serif;">5. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Identity property of 0]
 * 20) <span style="font-family: Arial,sans-serif;">6. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Inverse Property of Addition]
 * 21) <span style="font-family: Arial,sans-serif;">7. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Inverse Property of Multiplication]
 * 22) <span style="font-family: Arial,sans-serif;">8. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Why Dividing by Zero is Undefined]
 * 23) <span style="font-family: Arial,sans-serif;">9. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Why Zero Divided by Zero is Undefined/Indeterminate]
 * 24) <span style="font-family: Arial,sans-serif;">10. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Undefined and Indeterminate] ||
 * **<span style="font-family: Arial,sans-serif;">Order of Operations **
 * 1) <span style="font-family: Arial,sans-serif;">1. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Introduction to Order of Operations]
 * 2) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|More Complicated Order of Operations] || # <span style="font-family: Arial,sans-serif;">1. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Order of Operations]
 * 3) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Order of Operations 1] ||
 * **<span style="font-family: Arial,sans-serif;">Factors and Multiples **
 * 1) <span style="font-family: Arial,sans-serif;">1. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Prime Numbers]
 * 2) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Recognizing Prime Numbers]
 * 3) <span style="font-family: Arial,sans-serif;">3. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Recognizing Divisibility]
 * 4) <span style="font-family: Arial,sans-serif;">4. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Common Divisibility Examples]
 * 5) <span style="font-family: Arial,sans-serif;">5. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Finding Factors of a Number]
 * 6) <span style="font-family: Arial,sans-serif;">6. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Prime Factorization]
 * 7) <span style="font-family: Arial,sans-serif;">7. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Least Common Multiple]
 * 8) <span style="font-family: Arial,sans-serif;">1.
 * 9) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Least Common Multiple (LCM)]
 * 10) <span style="font-family: Arial,sans-serif;">3. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Greatest Common Divisor]
 * 11) <span style="font-family: Arial,sans-serif;">4. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Algebraic Expression Least Common Multiple]
 * 12) <span style="font-family: Arial,sans-serif;">5. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|The Why of the 3 Divisibility Rule]
 * 13) <span style="font-family: Arial,sans-serif;">6. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|The fundamental theorem of arithmetic]
 * 14) <span style="font-family: Arial,sans-serif;">7. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Divisibility Intuition] ||   ||
 * **<span style="font-family: Arial,sans-serif;">Fractions **
 * 1) <span style="font-family: Arial,sans-serif;">1. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Numerator and Denominator of a Fraction]
 * 2) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Identifying Fraction Parts]
 * 3) <span style="font-family: Arial,sans-serif;">3. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Equivalent fractions]
 * 4) <span style="font-family: Arial,sans-serif;">4. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Equivalent Fractions Example]
 * 5) <span style="font-family: Arial,sans-serif;">5. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Comparing Fractions]
 * 6) <span style="font-family: Arial,sans-serif;">6. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Fractions in lowest terms]
 * 7) <span style="font-family: Arial,sans-serif;">7. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Comparing Fractions 2]
 * 8) <span style="font-family: Arial,sans-serif;">8. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Ordering Fractions]
 * 9) <span style="font-family: Arial,sans-serif;">9. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Proper and Improper Fractions]
 * 10) <span style="font-family: Arial,sans-serif;">10. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Mixed numbers and improper fractions]
 * 11) <span style="font-family: Arial,sans-serif;">11. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Comparing improper fractions and mixed numbers]
 * 12) <span style="font-family: Arial,sans-serif;">12. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting Mixed Numbers to Improper Fractions]
 * 13) <span style="font-family: Arial,sans-serif;">13. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Changing a Mixed Number to an Improper Fraction]
 * 14) <span style="font-family: Arial,sans-serif;">14. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Changing an Improper Fraction to a Mixed Number]
 * 15) <span style="font-family: Arial,sans-serif;">15. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Adding Fractions with Like Denominators]
 * 16) <span style="font-family: Arial,sans-serif;">16. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Subtracting Fractions]
 * 17) <span style="font-family: Arial,sans-serif;">17. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Finding Common Denominators]
 * 18) <span style="font-family: Arial,sans-serif;">18. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Adding Fractions with Unlike Denominators]
 * 19) <span style="font-family: Arial,sans-serif;">19. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Adding and subtracting fractions]
 * 20) <span style="font-family: Arial,sans-serif;">20. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Adding Mixed Numbers]
 * 21) <span style="font-family: Arial,sans-serif;">21. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Adding Mixed Numbers with Unlike Denominators]
 * 22) <span style="font-family: Arial,sans-serif;">22. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Adding fractions (ex 1)]
 * 23) <span style="font-family: Arial,sans-serif;">23. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Subtracting Mixed Numbers]
 * 24) <span style="font-family: Arial,sans-serif;">24. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Subtracting Mixed Numbers 2]
 * 25) <span style="font-family: Arial,sans-serif;">25. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Adding Mixed Numbers Word Problem]
 * 26) <span style="font-family: Arial,sans-serif;">26. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Subtracting Mixed Numbers Word Problem] || # <span style="font-family: Arial,sans-serif;">1.
 * 1) <span style="font-family: Arial,sans-serif;">26. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Subtracting Mixed Numbers Word Problem] || # <span style="font-family: Arial,sans-serif;">1.
 * 1) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Adding subtracting mixed numbers 0.5 (ex 2)]
 * 2) <span style="font-family: Arial,sans-serif;">3. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Adding subtracting mixed numbers 1 (ex 1)]
 * 3) <span style="font-family: Arial,sans-serif;">4. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Adding subtracting mixed numbers 1 (ex 2)]
 * 4) <span style="font-family: Arial,sans-serif;">5. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Adding fractions with different signs]
 * 5) <span style="font-family: Arial,sans-serif;">6. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Multiplying Fractions]
 * 6) <span style="font-family: Arial,sans-serif;">7. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Multiplying Mixed Numbers]
 * 7) <span style="font-family: Arial,sans-serif;">8. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Multiplying Fractions and Mixed Numbers]
 * 8) <span style="font-family: Arial,sans-serif;">9. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Multiplying Fractions Word Problem]
 * 9) <span style="font-family: Arial,sans-serif;">10. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Dividing fractions]
 * 10) <span style="font-family: Arial,sans-serif;">11. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Dividing Fractions Example]
 * 11) <span style="font-family: Arial,sans-serif;">12. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Dividing Fractions Word Problem]
 * 12) <span style="font-family: Arial,sans-serif;">13. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Reciprocal of a Mixed Number]
 * 13) <span style="font-family: Arial,sans-serif;">14. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Dividing Mixed Numbers]
 * 14) <span style="font-family: Arial,sans-serif;">15. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Dividing Mixed Numbers and Fractions]
 * 15) <span style="font-family: Arial,sans-serif;">16. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting Fractions to Decimals Example]
 * 16) <span style="font-family: Arial,sans-serif;">17. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting fractions to decimals]
 * 17) <span style="font-family: Arial,sans-serif;">18. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Decimals and Fractions]
 * 18) <span style="font-family: Arial,sans-serif;">19. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting Repeating Decimals to Fractions 1]
 * 19) <span style="font-family: Arial,sans-serif;">20. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting Repeating Decimals to Fractions 2]
 * 20) <span style="font-family: Arial,sans-serif;">21. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Representing a number as a decimal, percent, and fraction 2]
 * 21) <span style="font-family: Arial,sans-serif;">22. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Representing a number as a decimal, percent, and fraction]
 * 22) <span style="font-family: Arial,sans-serif;">23. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Points on a number line]
 * 23) <span style="font-family: Arial,sans-serif;">24. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Ordering numeric expressions]
 * 24) <span style="font-family: Arial,sans-serif;">25. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting fractions to decimals (ex1)]
 * 25) <span style="font-family: Arial,sans-serif;">26. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting fractions to decimals (ex2)] ||
 * **<span style="font-family: Arial,sans-serif;">Decimals **

> <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[| Level 3 exponents]
 * 1) <span style="font-family: Arial,sans-serif;">1. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Subtracting decimals (old)]
 * 2) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Decimal Place Value]
 * 3) <span style="font-family: Arial,sans-serif;">3. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Decimal Place Value 2]
 * 4) <span style="font-family: Arial,sans-serif;">4. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Decimals on a Number Line]
 * 5) <span style="font-family: Arial,sans-serif;">5. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Rounding Decimals]
 * 6) <span style="font-family: Arial,sans-serif;">6. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Estimation with Decimals]
 * 7) <span style="font-family: Arial,sans-serif;">7. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Comparing Decimals]
 * 8) <span style="font-family: Arial,sans-serif;">8. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Adding Decimals]
 * 9) <span style="font-family: Arial,sans-serif;">9. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Subtracting Decimals]
 * 10) <span style="font-family: Arial,sans-serif;">10. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Subtracting Decimals Word Problem]
 * 11) <span style="font-family: Arial,sans-serif;">11. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Multiplying a Decimal by a Power of 10]
 * 12) <span style="font-family: Arial,sans-serif;">12. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Mulitplication 8: Multiplying decimals (Old video)]
 * 13) <span style="font-family: Arial,sans-serif;">13. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Multiplying Decimals]
 * 14) <span style="font-family: Arial,sans-serif;">14. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Dividing a Decimal by a Power of 10]
 * 15) <span style="font-family: Arial,sans-serif;">15. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Dividing Decimals 2.1]
 * 16) <span style="font-family: Arial,sans-serif;">16. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Dividing decimal]
 * 17) <span style="font-family: Arial,sans-serif;">17. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Dividing Decimals]
 * 18) <span style="font-family: Arial,sans-serif;">18. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Mulitplyling Decimals 3] || # <span style="font-family: Arial,sans-serif;">1. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Decimals and Fractions]
 * 19) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting Fractions to Decimals Example]
 * 20) <span style="font-family: Arial,sans-serif;">3. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting fractions to decimals]
 * 21) <span style="font-family: Arial,sans-serif;">4. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting fractions to decimals (ex1)]
 * 22) <span style="font-family: Arial,sans-serif;">5. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting fractions to decimals (ex2)]
 * 23) <span style="font-family: Arial,sans-serif;">6. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting decimals to fractions 1 (ex 1)]
 * 24) <span style="font-family: Arial,sans-serif;">7. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting decimals to fractions 1 (ex 2)]
 * 25) <span style="font-family: Arial,sans-serif;">8. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting decimals to fractions 1 (ex 3)]
 * 26) <span style="font-family: Arial,sans-serif;">9. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting decimals to fractions 2 (ex 1)]
 * 27) <span style="font-family: Arial,sans-serif;">10. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting decimals to fractions 2 (ex 2)]
 * 28) <span style="font-family: Arial,sans-serif;">11. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting Repeating Decimals to Fractions 1]
 * 29) <span style="font-family: Arial,sans-serif;">12. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting Repeating Decimals to Fractions 2]
 * 30) <span style="font-family: Arial,sans-serif;">13. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Percent and decimals]
 * 31) <span style="font-family: Arial,sans-serif;">14. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Representing a number as a decimal, percent, and fraction 2]
 * 32) <span style="font-family: Arial,sans-serif;">15. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Representing a number as a decimal, percent, and fraction]
 * 33) <span style="font-family: Arial,sans-serif;">16. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Points on a number line]
 * 34) <span style="font-family: Arial,sans-serif;">17. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Ordering numeric expressions] ||
 * **<span style="font-family: Arial,sans-serif;">Percent’s **
 * 1) <span style="font-family: Arial,sans-serif;">1. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Describing the Meaning of Percent]
 * 2) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Describing the Meaning of Percent 2]
 * 3) <span style="font-family: Arial,sans-serif;">3. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Identifying Percent Amount and Base]
 * 4) <span style="font-family: Arial,sans-serif;">4. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Representing a number as a decimal, percent, and fraction]
 * 5) <span style="font-family: Arial,sans-serif;">5. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting decimals to percents (ex 1)]
 * 6) <span style="font-family: Arial,sans-serif;">6. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting decimals to percents (ex 2)] || # <span style="font-family: Arial,sans-serif;">1. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Solving Percent Problems]
 * 7) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Solving Percent Problems 2]
 * 8) <span style="font-family: Arial,sans-serif;">3. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Solving Percent Problems 3]
 * 9) <span style="font-family: Arial,sans-serif;">4. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Growing by a percentage]
 * 10) <span style="font-family: Arial,sans-serif;">5. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Representing a number as a decimal, percent, and fraction 2]
 * 11) <span style="font-family: Arial,sans-serif;">6. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Ordering numeric expressions] ||
 * **<span style="font-family: Arial,sans-serif;">Ratios and Proportions (basic) **
 * 1) <span style="font-family: Arial,sans-serif;">1. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Introduction to Ratios (new HD version)]
 * 2) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Understanding Proportions]
 * 3) <span style="font-family: Arial,sans-serif;">3. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Ratios as Fractions in Simplest Form]
 * 4) <span style="font-family: Arial,sans-serif;">4. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Simplifying Rates and Ratios]
 * 5) <span style="font-family: Arial,sans-serif;">5. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Find an Unknown in a Proportion 2]
 * 6) <span style="font-family: Arial,sans-serif;">6. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Finding Unit Rates]
 * 7) <span style="font-family: Arial,sans-serif;">7. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Finding Unit Prices]
 * 8) <span style="font-family: Arial,sans-serif;">8. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Unit conversion]
 * 9) <span style="font-family: Arial,sans-serif;">9. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting units of length] || <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none; vertical-align: baseline;">[|Conversion between metric units]
 * 10) <span style="font-family: Arial,sans-serif;">1. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|U.S. Customary and Metric units]
 * 11) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting within the metric system]
 * 12) <span style="font-family: Arial,sans-serif;">3. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting Gallons to quarts pints and cups]
 * 13) <span style="font-family: Arial,sans-serif;">4. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting pounds to ounces]
 * 14) <span style="font-family: Arial,sans-serif;">5. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Comparing Celsius and Fahrenheit temperature scales]
 * 15) <span style="font-family: Arial,sans-serif;">6. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Converting Fahrenheit to Celsius]
 * 16) <span style="font-family: Arial,sans-serif;">7. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Speed translation] ||
 * **<span style="font-family: Arial,sans-serif;">Exponents **
 * 1) <span style="font-family: Arial,sans-serif;">1. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Understanding Exponents]
 * 2) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Understanding Exponents 2]
 * 3) <span style="font-family: Arial,sans-serif;">3. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Level 1 Exponents]
 * 4) <span style="font-family: Arial,sans-serif;">4. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Level 2 Exponents] || # <span style="font-family: Arial,sans-serif;">1.
 * 1) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Exponent Rules Part 1]
 * 2) <span style="font-family: Arial,sans-serif;">3. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Exponent Rules Part 2] ||

<span style="display: block; font-family: 'Copperplate Gothic Bold',sans-serif; font-size: 26pt; text-align: center;">Algebra || <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none; vertical-align: baseline;">[| Abstract-ness] || || # <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. || || || || > <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[| Solving Systems of Equations by Multiplication] || || <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none; vertical-align: baseline;">[| Converting Farenheit to Celsius] || || # <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. > <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[| Absolute Value Equation Example 2] || || # <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. || || # <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Logarithmic Equations] || || # <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. || || # <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. || || # <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. || || # <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. || || # <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. > <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[| IIT JEE Complex Numbers (part 2)] ||
 * **<span style="font-family: Arial,sans-serif;">Introduction to algebra **
 * 1) <span style="font-family: Arial,sans-serif;">1. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|The Beauty of Algebra]
 * 2) <span style="font-family: Arial,sans-serif;">2. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Origins of Algebra]
 * 1) <span style="font-family: Arial,sans-serif;">1. <span style="color: windowtext; font-family: Arial,sans-serif; text-decoration: none;">[|Descartes and Cartesian Coordinates]
 * **<span style="font-family: Arial,sans-serif;">Creating and solving linear equations **
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|What is a variable?]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Why aren't we using the multiplication sign]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Expressions with two variables]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Combining like terms]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Combining like terms and the distributive property]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Why we do the same thing to both sides: simple equations]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Representing a relationship with a simple equation]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|One step equation intuition exercise intro]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Adding and subtracting the same thing from both sides]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Intuition why we divide both sides]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|One-Step Equation Intuition]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Why we do the same thing to both sides two step equations]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Equations 2]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Application problems with equation in one variable]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Why we do the same thing to both sides multi step equations]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Sum of Consecutive Odd Integers]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Equations with Variables on Both Sides]
 * 18) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Equations with the Distributive Property]
 * 19) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving equations with the distributive property 2]
 * 20) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">20. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Algebraic Word Problem]
 * 21) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">21. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Absolute Value Equations]
 * 22) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">22. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Absolute Value Equations 1]
 * 23) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">23. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Inequalities on a number line]
 * 24) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">24. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|One-Step Inequalities]
 * 25) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">25. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|One-Step Inequalities 2]
 * 26) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">26. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multi-Step Inequalities]
 * 27) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">27. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multi-Step Inequalities 2]
 * 28) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">28. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Compound Inequalities]
 * 29) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">29. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Absolute Value Inequalities]
 * 30) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">30. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Order of Operations Example]
 * 31) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">31. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Variables Expressions and Equations]
 * 32) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">32. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Evaluating Expressions with Two Variables]
 * 33) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">33. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Variables and Expressions 1]
 * 34) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">34. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Algebra: Linear Equations 1]
 * 35) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">35. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Evaluate a formula using substitution]
 * 36) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">36. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Example of Solving for a Variable]
 * 37) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">37. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving for a Variable]
 * 38) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">38. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving for a Variable 2]
 * 39) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">39. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Simple Equations]
 * 40) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">40. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving One-Step Equations]
 * 41) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">41. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving One-Step Equations 2]
 * 42) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">42. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Algebra: Linear Equations 2]
 * 43) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">43. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Equations 1]
 * 44) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">44. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Two-Step Equations]
 * 45) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">45. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|New Operator Definitions]
 * 46) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">46. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Equations 2]
 * 47) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">47. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Equations 3]
 * 48) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">48. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multi-Step Equations]
 * 49) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">49. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multi-step equations 1]
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multi-step equations 2]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Algebra: Linear Equations 3]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Algebra: Linear Equations 4]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Equation Special Cases]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Integer sums]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Rearrange formulas to isolate specific variables]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Basic Rate Problem]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Averages]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Percent Problems]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Word Problem Solving 3]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Taking percentages]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Growing by a percentage]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Another Percent Word Problem]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|More percent problems]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Direct Variation 1]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proportionality Constant for Direct Variation]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Direct Variation Application]
 * 18) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Early Train Word Problem]
 * 19) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">20. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Age word problems 1]
 * 20) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">21. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Age word problems 2]
 * 21) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">22. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Age word problems 3]
 * 22) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">23. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Writing Proportions]
 * 23) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">24. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Converting Repeating Decimals to Fractions 1]
 * 24) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">25. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Converting Repeating Decimals to Fractions 2]
 * 25) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">26. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Patterns in Sequences 1]
 * 26) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">27. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Patterns in Sequences 2]
 * 27) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">28. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Equations of Sequence Patterns]
 * 28) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">29. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Finding the 100th Term in a Sequence]
 * 29) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">30. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Basic Linear Function]
 * 30) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">31. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Absolute Value Equations Example 1]
 * 31) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">32. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Absolute Value Equation Example 2]
 * 32) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">33. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Interpreting Inequalities]
 * 33) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">34. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Equations and Inequalities]
 * 34) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">35. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Inequalities]
 * 35) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">36. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Writing and using inequalities]
 * 36) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">37. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Writing and using inequalities 2]
 * 37) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">38. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Writing and using inequalities 3]
 * 38) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">39. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Inequalities Using Addition and Subtraction]
 * 39) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">40. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Inequalities Using Multiplication and Division]
 * 40) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">41. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Inequalities]
 * 41) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">42. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Compund Inequalities]
 * 42) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">43. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Compund Inequalities 2]
 * 43) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">44. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Compound Inequalities 3]
 * 44) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">45. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Compound Inequalities 4]
 * 45) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">46. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multi-Step Inequalities 3]
 * 46) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">47. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Absolute value inequalities Example 1]
 * 47) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">48. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Absolute Value Inequalities Example 2]
 * 48) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">49. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Absolute value inequalities example 3]
 * **<span style="font-family: Arial,sans-serif;">Linear functions **
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Descartes and Cartesian Coordinates]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Ordered pair solutions of equations]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Slope of a line]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|X and Y intercepts]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Linear Equations in Slope Intercept Form]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Linear Equations in Point Slope Form]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Linear Equations in Standard Form]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Point-slope and standard form]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Equations of Parallel and Perpendicular Lines]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Algebra: graphing lines 1]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphing Inequalities]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphing Inequalities 1]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Quadrants of Coordinate Plane]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|The Coordinate Plane]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Exploring linear relationships]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Plotting (x,y) relationships]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Plot ordered pairs]
 * 18) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Application problem with graph]
 * 19) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Interpreting Linear Graphs]
 * 20) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">20. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|X and Y intercepts 2]
 * 21) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">21. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Slope Example]
 * 22) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">22. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Slope and Rate of Change]
 * 23) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">23. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Slope and Y-intercept Intuition]
 * 24) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">24. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Algebra: Slope]
 * 25) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">25. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Algebra: Slope 2]
 * 26) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">26. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Algebra: Slope 3]
 * 27) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">27. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphical Slope of a Line]
 * 28) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">28. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Slope of a Line 2]
 * 29) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">29. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Slope of a Line 3]
 * 30) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">30. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Hairier Slope of Line]
 * 31) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">31. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphing a line in slope intercept form]
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Algebra: Slope and Y-intercept intuition]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Algebra: Equation of a line]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Algebra I: Slope and Y-intercept]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphing Using Intercepts]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphing using X and Y intercepts]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphs Using Slope-Intercept Form]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Equation of a line 1]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Equation of a line 2]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Equation of a Line hairier example]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Equation of a line 3]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphs of Linear Equations]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Direct Variation Models]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Recognizing Linear Functions]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Converting to slope-intercept form]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Parallel Lines]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Parallel Lines 2]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Parallel lines 3]
 * 18) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Perpendicular Lines]
 * 19) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Perpendicular lines 2]
 * 20) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">20. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Parallel Line Equation]
 * 21) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">21. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Word Problem Solving 4]
 * 22) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">22. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Fitting a Line to Data]
 * 23) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">23. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Distance Formula]
 * 24) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">24. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Midpoint Formula]
 * 25) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">25. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving and graphing linear inequalities in two variables 1]
 * 26) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">26. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphing linear inequalities in two variables 2]
 * 27) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">27. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphing Linear Inequalities in Two Variables Example 2]
 * 28) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">28. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphing linear inequalities in two variables 3]
 * 29) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">29. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Algebra I: Graphing Inequalities]
 * 30) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">30. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphing Inequalities 2]
 * 31) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">31. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Ordered Pair Solutions of Equations 2]
 * **<span style="font-family: Arial,sans-serif;">Systems of equations and inequalities **
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving systems by graphing]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving systems by graphing 2]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving systems by graphing 3]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Why we do the same thing to both sides basic systems]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving systems by elimination]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving systems by elimination 2]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving systems by elimination 3]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving systems by substitution 1]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving systems by substitution 2]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving systems by substitution 3]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Problem Solving Word Problems 2]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphing systems of inequalities]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphing systems of inequalities 2]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphing systems of inequalities 3]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|System of Inequalities Application]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Systems of Three Variables]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Systems of Three Variables 2]
 * 18) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solutions to Three Variable System]
 * 19) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solutions to Three Variable System 2]
 * 20) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">20. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|systems of equations]
 * 21) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">21. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Officer on Horseback]
 * 22) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">22. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Patterns and Equations]
 * 23) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">23. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Two Passing Bicycles Word Problem]
 * 24) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">24. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Passed Bike Word Problem]
 * 25) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">25. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Passing Trains]
 * 26) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">26. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Overtaking Word Problem]
 * 27) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">27. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|U06_L1_T1_we1 Solving Systems by Graphing]
 * 28) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">28. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Systems of Equations by Elimination]
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1.
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Systems and rate problems]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Systems and rate problems 2]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Systems and rate problems 3]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Mixture problems 1]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Mixture problems 2]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Mixture problems 3]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphings Systems of Equations]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Testing a solution for a system of equations]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Consistent and Inconsistent Systems]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Independent and Dependent Systems]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphical Systems Application Problem]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|The Substitution Method]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Substitution Method 2]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Substitution Method 3]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Addition Elimination Method 1]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Addition Elimination Method 2]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Addition Elimination Method 3]
 * 18) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Addition Elimination Method 4]
 * 19) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">20. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Three Equation Application Problem]
 * 20) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">21. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Linear Systems by Graphing]
 * 21) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">22. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Linear Systems by Substitution]
 * 22) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">23. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Special Types of Linear Systems]
 * 23) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">24. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|U06_L3_T1_we3 Graphing Systems of Inequalities]
 * 24) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">25. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Algebra I: Systems of Inequalities]
 * 25) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">26. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphical System of Inequalities]
 * 26) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">27. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Testing Solutions for a System of Inequalities]
 * **<span style="font-family: Arial,sans-serif;">Ratios & proportions **
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Introduction to Ratios (new HD version)]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Understanding Proportions]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Ratios as Fractions in Simplest Form]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Simplifying Rates and Ratios]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Find an Unknown in a Proportion]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Ratio and Proportion]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Find an Unknown in a Proportion 2]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Another Take on the Rate Problem]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Finding Unit Rates]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Finding Unit Prices]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Writing Proportions]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Ratio problem with basic algebra (new HD)]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|More advanced ratio problem--with Algebra (HD version)]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Alternate Solution to Ratio Problem (HD Version)]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Advanced ratio problems]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Unit conversion]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Conversion between metric units]
 * 18) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Converting within the metric system]
 * 19) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Converting pounds to ounces]
 * 20) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">20. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Converting Gallons to quarts pints and cups]
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Comparing Celsius and Farenheit temperature scales]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Applying the Metric System]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|U.S. Customary and Metric units]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Converting Yards into Inches]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Unit Conversion with Fractions]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Performing arithmetic calculations on units of volume]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Application problems involving units of weight]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving application problems involving units of volume]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Unit Conversion Example: Drug Dosage]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Perimeter and Unit Conversion]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Rational Equations]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Rational Equations 1]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Rational Equations 2]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Rational Equations 3]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Applying Rational Equations 1]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Applying Rational Equations 2]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Applying Rational Equations 3]
 * 18) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Extraneous Solutions to Rational Equations]
 * 19) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Rational Inequalities 2]
 * **<span style="font-family: Arial,sans-serif;">Absolute value **
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Absolute Value and Number Lines]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Absolute Value 1]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Absolute Value of Integers]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Comparing Absolute Values]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Algebra I: Number Properties and Absolute Value]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Absolute Value Equations]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Absolute Value Equations Example 1]
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|U02_L2_T2_we1 Absolute Value Equations.avi]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Absolute Value Inequalities]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Absolute value inequalities Example 1]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Absolute Inequalities 2]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Absolute value inequalities example 3]
 * **<span style="font-family: Arial,sans-serif;">Exponents and radicals **
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Understanding Exponents]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Understanding Exponents 2]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Exponent Rules 1]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Exponent Rules 2]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Level 1 Exponents]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Level 2 Exponents]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Negative Exponent Intuition]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Zero, Negative, and Fractional Exponents]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Level 3 exponents]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Exponent Rules Part 1]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Exponent Rules Part 2]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Exponent Properties 1]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Exponent Properties 2]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Exponent Properties 3]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Exponent Properties 4]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Exponent Properties 5]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Exponent Properties 6]
 * 18) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Exponent Properties 7]
 * 19) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Exponent Properties Involving Products]
 * 20) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">20. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Negative and Positive Exponents]
 * 21) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">21. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Exponent Properties Involving Quotients]
 * 22) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">22. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Rational Exponents and Exponent Laws]
 * 23) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">23. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|More Rational Exponents and Exponent Laws]
 * 24) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">24. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Simplifying Expressions with Exponents]
 * 25) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">25. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying and Dividing Rational Expressions 1]
 * 26) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">26. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying and Dividing Rational Expressions 2]
 * 27) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">27. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying and Dividing Rational Expressions 3]
 * 28) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">28. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Simplifying Expressions with Exponents 2]
 * 29) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">29. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Simplifying Expressions with Exponents 3]
 * 30) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">30. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Fractional Exponent Expressions 1]
 * 31) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">31. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Fractional Exponent Expressions 2]
 * 32) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">32. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Fractional Exponent Expressions 3]
 * 33) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">33. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Pythagorean Theorem 1]
 * 34) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">34. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Pythagorean Theorem 2]
 * 35) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">35. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Pythagorean Theorem 3]
 * 36) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">36. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Evaluating exponential expressions]
 * 37) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">37. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Evaluating exponential expressions 2]
 * 38) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">38. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Evaluating exponential expressions 3]
 * 39) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">39. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Scientific notation 1]
 * 40) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">40. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Scientific notation 2]
 * 41) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">41.
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Scientific notation 3]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Scientific Notation I]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Scientific Notation Example 2]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Scientific Notation 3 (new)]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Scientific Notation Examples]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying in Scientific Notation]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Significant Figures]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|More on Significant Figures]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Addition and Subtraction with Significant Figures]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying and Dividing with Significant Figures]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Understanding Square Roots]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Approximating Square Roots]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Square Roots and Real Numbers]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Simplifying Square Roots]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Simplifying Square Roots Comment Response]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Finding Cube Roots]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Simplifying Cube Roots]
 * 18) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Radical Equivalent to Rational Exponents]
 * 19) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">20. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Radical Equivalent to Rational Exponents 2]
 * 20) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">21. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Simplifying radicals]
 * 21) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">22. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Simplifying Radical Expressions1]
 * 22) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">23. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Simplifying Radical Expressions 2]
 * 23) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">24. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Simplifying Radical Expressions 3]
 * 24) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">25. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|More Simplifying Radical Expressions]
 * 25) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">26. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Radical Expressions with Higher Roots]
 * 26) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">27. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Adding and Simplifying Radicals]
 * 27) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">28. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Subtracting and Simplifying Radicals]
 * 28) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">29. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Adding and Subtracting Rational Expressions]
 * 29) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">30. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiply and Simplify a Radical Expression 1]
 * 30) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">31. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiply and Simplify a Radical Expression 2]
 * 31) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">32. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|How to Rationalize a Denominator]
 * 32) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">33. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Radical Equations]
 * 33) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">34. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Extraneous Solutions to Radical Equations]
 * 34) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">35. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Radical Equations 1]
 * 35) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">36. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Radical Equations 2]
 * 36) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">37. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Radical Equations 3]
 * 37) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">38. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Applying Radical Equations 1]
 * 38) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">39. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Applying Radical Equations 2]
 * 39) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">40. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Applying Radical Equations 3]
 * **<span style="font-family: Arial,sans-serif;">Logarithms **
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Introduction to Logarithms]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Logarithm of a Power]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Sum of Logarithms with Same Base]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Introduction to logarithm properties]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Introduction to logarithm properties (part 2)]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Using Multiple Logarithm Properties to Simplify]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Change of Base Formula]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Logarithmic Scale]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Richter Scale]
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Logarithmic Equations]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proof: log a + log b = log ab]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proof: log_a (B) = (log_x (B))/(log_x (A))]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proof: A(log B) = log (B^A), log A - log B = log (A/B)]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Natural Logarithm with a Calculator]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Calculator for Natural Logarithms]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphing Natural Logarithm Function]
 * **<span style="font-family: Arial,sans-serif;">Polynomials **
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Addition and Subtraction of Polynomials]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Special Products of Binomials]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Polynomial Division]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring Quadratic Expressions]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factor by Grouping and Factoring Completely]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring Special Products]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Terms coefficients and exponents in a polynomial]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Simply a polynomial]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Opposite of a Polynomial]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Evaluating a polynomial at a given value]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Partial Fraction Expansion 1]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Partial Fraction Expansion 2]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Partial Fraction Expansion 3]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Adding Polynomials]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Adding polynomials with multiple variables]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Polynomials 2]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Simplifying First for Subtracting Rational Expressions]
 * 18) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Subtracting Rational Expressions]
 * 19) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Subtracting Polynomials]
 * 20) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">20. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Polynomials1]
 * 21) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">21. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Subtracting polynomials with multiple variables]
 * 22) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">22. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Adding and Subtracting Polynomials 1]
 * 23) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">23. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Adding and Subtracting Polynomials 2]
 * 24) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">24. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Adding and Subtracting Polynomials 3]
 * 25) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">25. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying Monomials]
 * 26) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">26. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Level 1 multiplying expressions]
 * 27) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">27. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Dividing Monomials]
 * 28) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">28. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying and Dividing Monomials 1]
 * 29) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">29. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying and Dividing Monomials 2]
 * 30) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">30. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying and Dividing Monomials 3]
 * 31) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">31. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying Binomials]
 * 32) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">32. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Square a Binomial]
 * 33) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">33. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying and Simplifying Rational Expressions]
 * 34) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">34. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying Binomials with Radicals]
 * 35) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">35. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying Monomials by Polynomials]
 * 36) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">36. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying Polynomials]
 * 37) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">37. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying Polynomials1]
 * 38) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">38. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying Polynomials 1]
 * 39) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">39. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying Polynomials 2]
 * 40) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">40. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying Polynomials 3]
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Special Polynomials Products 1]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplication of Polynomials]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|More multiplying polynomials]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Special Products of Polynomials 1]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Special Products of Polynomials 2]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Special Products of Polynomials 3]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Polynomial divided by monomial]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Dividing multivariable polynomial with monomial]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Dividing polynomials 1]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Algebraic Long Division]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Dividing polynomials with remainders]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Synthetic Division]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Synthetic Division Example 2]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Why Synthetic Division Works]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Rationalizing Denominators of Expressions]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Interesting Polynomial Coefficient Problem]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Algebra II: Simplifying Polynomials]
 * 18) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Monomial Greatest Common Factor]
 * 19) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">20. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factor polynomials using the GCF]
 * 20) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">21. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring and the Distributive Property]
 * 21) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">22. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring and the Distributive Property 2]
 * 22) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">23. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring and the Distributive Property 3]
 * 23) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">24. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring Trinomials by Grouping 1]
 * 24) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">25. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring Trinomials by Grouping 2]
 * 25) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">26. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|U09_L1_T2_we3 Factoring Trinomials by Grouping 3]
 * 26) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">27. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring Trinomials by Grouping 4]
 * 27) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">28. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring Trinomials by Grouping 5]
 * 28) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">29. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring Trinomials by Grouping 6]
 * 29) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">30. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring trinomials with a leading 1 coefficient]
 * 30) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">31. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring trinomials with a common factor]
 * 31) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">32. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring trinomials with a non-1 leading coefficient by grouping]
 * 32) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">33. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|U09_L2_T1_we1 Factoring Special Products 1]
 * 33) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">34. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring Special Products 2]
 * 34) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">35. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|U09_L2_T1_we3 Factoring Special Products 3]
 * 35) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">36. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring perfect square trinomials]
 * 36) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">37. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring Sum of Cubes]
 * 37) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">38. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring difference of squares]
 * 38) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">39. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving a quadratic by factoring]
 * 39) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">40. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Difference of Cubes Factoring]
 * **<span style="font-family: Arial,sans-serif;">Quadratic functions **
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring Quadratic Expressions]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Quadratic Equations by Square Roots]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Completing the square]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphing a Quadratic Function]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphs of Quadratic Functions]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Quadratic Functions 3]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Quadratic Equations in Standard Form]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Quadratic Formula 1]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proof of Quadratic Formula]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Complex Roots from the Quadratic Formula]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Discriminant for Types of Solutions for a Quadratic]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Quadratic Equations by Factoring]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Quadratic Equations by Factoring 2]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Quadratic Equations by Factoring 3]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Algebra I: Factoring Quadratics]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving a quadratic by factoring]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Applications Problem Factoring Quadratics]
 * 18) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Algebra II: Quadratics and Shifts]
 * 19) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Algebra II: Shifting Quadratic Graphs]
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Completing the Square 1]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Completing the Square 3]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Completing the Square 2]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Completing the Square 4]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Completing the Square to Solve Quadratic Equations]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Algebra I: Completing the Square]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Quadratic Equations by Completing the Square]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Completing Perfect Square Trinomials]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Introduction to the quadratic equation]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Quadratic Equation part 2]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Quadratic Formula 2]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Quadratic Formula 3]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Algebra I: Quadratic Equation]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Algebra I: Quadratic Roots]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Simple Quadratic Equation]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Applying the Quadratic Formula]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Application Problem with Quadratic Formula]
 * 18) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Discriminant of Quadratic Equations]
 * 19) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">20. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Quadratic Formula (proof]
 * **<span style="font-family: Arial,sans-serif;">Functions **
 * 1) <span style="font-family: Helvetica,sans-serif;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Introduction to functions]
 * 2) <span style="font-family: Helvetica,sans-serif;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Graphing a Basic Function]
 * 3) <span style="font-family: Helvetica,sans-serif;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Functional Relationships 1]
 * 4) <span style="font-family: Helvetica,sans-serif;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Testing if a relationship is a function]
 * 5) <span style="font-family: Helvetica,sans-serif;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Functions Part 2]
 * 6) <span style="font-family: Helvetica,sans-serif;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Functions (Part III)]
 * 7) <span style="font-family: Helvetica,sans-serif;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Functions (part 4)]
 * 8) <span style="font-family: Helvetica,sans-serif;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Graphical Relations and Functions]
 * 9) <span style="font-family: Helvetica,sans-serif;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Domain and Range of a Function]
 * 10) <span style="font-family: Helvetica,sans-serif;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Domain and Range 1]
 * 11) <span style="font-family: Helvetica,sans-serif;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Domain and Range 2]
 * 12) <span style="font-family: Helvetica,sans-serif;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Introduction to Function Inverses]
 * 13) <span style="font-family: Helvetica,sans-serif;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Function Inverse Example 1]
 * 14) <span style="font-family: Helvetica,sans-serif;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Function Inverses Example 2]
 * 15) <span style="font-family: Helvetica,sans-serif;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Function Inverses Example 3]
 * 16) <span style="font-family: Helvetica,sans-serif;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Inverse Variation Application]
 * 17) <span style="font-family: Helvetica,sans-serif;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Recognizing Odd and Even Functions]
 * 18) <span style="font-family: Helvetica,sans-serif;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Algebra II: Functions, Combinatorics]
 * 19) <span style="font-family: Helvetica,sans-serif;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Algebra II: Functions and Probability]
 * 20) <span style="font-family: Helvetica,sans-serif;">20. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Evaluating Functions]
 * 21) <span style="font-family: Helvetica,sans-serif;">21. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Sum of Functions]
 * 22) <span style="font-family: Helvetica,sans-serif;">22. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Difference of Functions]
 * 23) <span style="font-family: Helvetica,sans-serif;">23. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Product of Functions]
 * 24) <span style="font-family: Helvetica,sans-serif;">24. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Quotient of Functions]
 * 25) <span style="font-family: Helvetica,sans-serif;">25. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|A more formal understanding of functions]
 * 26) <span style="font-family: Helvetica,sans-serif;">26. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Proof by Induction]
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Linear Algebra: Introduction to the inverse of a function]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Linear Function Graphs]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Domain of a function]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Relations and Functions]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Domain and Range of a Relation]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Domain and Range of a Function Given a Formula]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Domain of a Radical Function]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Direct Variation 1]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Direct Variation Models]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Direct and Inverse Variation]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Recognizing Direct and Inverse Variation]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Direct Inverse and Joint Variation]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Connection between even and odd numbers and functions]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Basic Linear Function]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Recognizing Linear Functions]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Quadratic Functions 1]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Quadratic Functions 2]
 * 18) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Quadratic Functions 3]
 * 19) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">20. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Applying Quadratic Functions 1]
 * 20) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">21. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Applying Quadratic Functions 2]
 * 21) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">22. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Applying Quadratic Functions 3]
 * 22) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">23. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphing a Quadratic Function]
 * 23) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">24. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphing Radical Functions]
 * 24) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">25. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphing Exponential Functions]
 * 25) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">26. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphs of Square Root Functions]
 * **<span style="font-family: Arial,sans-serif;">Conic sections **
 * 1) <span style="font-family: Helvetica,sans-serif;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Introduction to Conic Sections]
 * 2) <span style="font-family: Helvetica,sans-serif;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Identifying Conics 1]
 * 3) <span style="font-family: Helvetica,sans-serif;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Algebra || : Conic Sections]
 * 4) <span style="font-family: Helvetica,sans-serif;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Identifying Conics 2]
 * 5) <span style="font-family: Helvetica,sans-serif;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Conic Identification 3]
 * 6) <span style="font-family: Helvetica,sans-serif;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Parabola Focus and Directrix 1]
 * 7) <span style="font-family: Helvetica,sans-serif;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Focus and Directrix of a Parabola 2]
 * 8) <span style="font-family: Helvetica,sans-serif;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Non-Linear Systems of Equations 1]
 * 9) <span style="font-family: Helvetica,sans-serif;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Non-Linear Systems of Equations 2]
 * 10) <span style="font-family: Helvetica,sans-serif;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Non-Linear Systems of Equations 3]
 * 11) <span style="font-family: Helvetica,sans-serif;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Conic Sections: Intro to Circles]
 * 12) <span style="font-family: Helvetica,sans-serif;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Algebra II: Circles and Logarithms]
 * 13) <span style="font-family: Helvetica,sans-serif;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Three Points Defining a Circle]
 * 14) <span style="font-family: Helvetica,sans-serif;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; text-decoration: none;">[|Conic Sections: Intro to Ellipses]
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Foci of an Ellipse]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Conic Sections: Intro to Hyperbolas]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Conic Sections: Hyperbolas 2]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Conic Sections: Hyperbolas 3]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Foci of a Hyperbola]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proof: Hyperbola Foci]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|IIT JEE Circle Hyperbola Intersection]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|IIT JEE Circle Hyperbola Common Tangent Part 1]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|IIT JEE Circle Hyperbola Common Tangent Part 2]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|IIT JEE Circle Hyperbola Common Tangent Part 3]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|IIT JEE Circle Hyperbola Common Tangent Part 4]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|IIT JEE Circle Hyperbola Common Tangent Part 5]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Tangent Line Hyperbola Relationship (very optional)]
 * **<span style="font-family: Arial,sans-serif;">Complex numbers **
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Number Sets]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Number Sets 1]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Number Sets 2]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Number Sets 3]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Introduction to i and Imaginary Numbers]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Calculating i Raised to Arbitrary Exponents]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Complex Numbers]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Complex Numbers (part 1)]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Complex Numbers (part 2)]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|i as the Principal Root of -1 (a little technical)]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|IIT JEE Complex Numbers (part 1)]
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|IIT JEE Complex Numbers (part 3)]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Algebra II: Imaginary and Complex Numbers]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Imaginary Roots of Negative Numbers]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Complex Conjugates Example]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Adding Complex Numbers]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Subtracting Complex Numbers]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying Complex Numbers]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Dividing Complex Numbers]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Complex Roots from the Quadratic Formula]
 * **<span style="font-family: Arial,sans-serif;">Matrices **

|| # <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. > <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[| Column Space of a Matrix] **<span style="color: #ff0000; font-family: Arial,sans-serif; font-size: 15pt;">sample solved problems ** || # <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1.
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Introduction to matrices]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Matrix multiplication (part 1)]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Matrix multiplication (part 2)]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Inverse Matrix (part 1)]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Inverting matrices (part 2)]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Inverting Matrices (part 3)]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Matrices to solve a system of equations]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Matrices to solve a vector combination problem]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Singular Matrices]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Matrices: Reduced Row Echelon Form 1]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Matrices: Reduced Row Echelon Form 2]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Matrices: Reduced Row Echelon Form 3]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Matrix Vector Products]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Matrix Vector Products as Linear Transformations]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Introduction to the Null Space of a Matrix]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Null Space 2: Calculating the null space of a matrix]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Null Space 3: Relation to Linear Independence]
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Null Space and Column Space Basis]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Visualizing a Column Space as a Plane in R3]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proof: Any subspace basis has same number of elements]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Dimension of the Null Space or Nullity]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Dimension of the Column Space or Rank]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Showing relation between basis cols and pivot cols]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Showing that the candidate basis does span C(A)]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Expressing a Projection on to a line as a Matrix Vector prod]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Linear Algebra: Matrix Product Examples]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Matrix Product Associativity]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Distributive Property of Matrix Products]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Sums and Scalar Multiples of Linear Transformations]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|More on Matrix Addition and Scalar Multiplication]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Linear Algebra: Matrix condition for one-to-one trans]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Linear Algebra: Simplifying conditions for invertibility] ||
 * **<span style="font-family: Arial,sans-serif;">ck12.org Algebra 1 Examples **
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Variable Expressions]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Order of Operations Example]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Patterns and Equations]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Equations and Inequalities]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Domain and Range of a Function]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Functions as Graphs]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Word Problem Solving Plan 1]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Word Problem Solving Strategies]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Integers and Rational Numbers]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Addition of Rational Numbers]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Subraction of Rational Numbers]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplication of Rational Numbers]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Distributive Property Example 1]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Division of Rational Numbers]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Square Roots and Real Numbers]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Problem Solving Word Problems 2]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|One Step Equations]
 * 18) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Two-Step Equations]
 * 19) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multi-Step Equations]
 * 20) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">20. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Equations with Variables on Both Sides]
 * 21) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">21. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Ratio and Proportion]
 * 22) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">22. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Scale and Indirect Measurement]
 * 23) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">23. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Percent Problems]
 * 24) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">24. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Word Problem Solving 3]
 * 25) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">25. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|The Coordinate Plane]
 * 26) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">26. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphing Using Intercepts]
 * 27) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">27. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphs of Linear Equations]
 * 28) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">28. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Slope and Rate of Change]
 * 29) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">29. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphs Using Slope-Intercept Form]
 * 30) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">30. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Direct Variation Models]
 * 31) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">31. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Linear Function Graphs]
 * 32) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">32. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Word Problem Solving 4]
 * 33) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">33. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Linear Equations in Slope Intercept Form]
 * 34) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">34. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Linear Equations in Point Slope Form]
 * 35) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">35. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Linear Equations in Standard Form]
 * 36) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">36. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Equations of Parallel and Perpendicular Lines]
 * 37) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">37. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Fitting a Line to Data]
 * 38) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">38. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Predicting with Linear Models]
 * 39) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">39. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Using a Linear Model]
 * 40) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">40. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Inequalities Using Addition and Subtraction]
 * 41) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">41. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Inequalities Using Multiplication and Division]
 * 42) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">42. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Compound Inequalities]
 * 43) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">43. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Absolute Value Equations]
 * 44) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">44. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Absolute Value Inequalities]
 * 45) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">45. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphing Inequalities]
 * 46) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">46. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Linear Systems by Graphing]
 * 47) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">47. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Linear Systems by Substitution]
 * 48) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">48. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Systems of Equations by Elimination]
 * 49) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">49. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Systems of Equations by Multiplication]
 * 50) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">50. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Special Types of Linear Systems]
 * 51) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">51. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Systems of Linear Inequalities]
 * 52) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">52. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Exponent Properties Involving Products]
 * 53) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">53. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Exponent Properties Involving Quotients]
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Zero, Negative, and Fractional Exponents]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Scientific Notation]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Exponential Growth Functions]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Exponential Decay Functions]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Geometric Sequences (Introduction)]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Word Problem Solving- Exponential Growth and Decay]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Addition and Subtraction of Polynomials]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplication of Polynomials]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Special Products of Binomials]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Polynomial Equations in Factored Form]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring Quadratic Expressions]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factoring Special Products]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Factor by Grouping and Factoring Completely]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphs of Quadratic Functions]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Quadratic Equations by Graphing]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Quadratic Equations by Square Roots]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Quadratic Equations by Completing the Square]
 * 18) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Using the Quadratic Formula]
 * 19) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">20. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proof of Quadratic Formula]
 * 20) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">21. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Discriminant of Quadratic Equations]
 * 21) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">22. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Linear, Quadratic, and Exponential Models]
 * 22) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">23. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Identifying Quadratic Models]
 * 23) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">24. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Identifying Exponential Models]
 * 24) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">25. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Quadratic Regression]
 * 25) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">26. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Graphs of Square Root Functions]
 * 26) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">27. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Radical Expressions with Higher Roots]
 * 27) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">28. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|More Simplifying Radical Expressions]
 * 28) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">29. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|How to Rationalize a Denominator]
 * 29) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">30. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Extraneous Solutions to Radical Equations]
 * 30) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">31. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Radical Equation Examples]
 * 31) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">32. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|More Involved Radical Equation Example]
 * 32) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">33. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Pythagorean Theorem]
 * 33) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">34. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Distance Formula]
 * 34) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">35. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Midpoint Formula]
 * 35) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">36. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Visual Pythagorean Theorem Proof]
 * 36) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">37. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Average or Central Tendency: Arithmetic Mean, Median, and Mode]
 * 37) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">38. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Range, Variance and Standard Deviation as Measures of Dispersion]
 * 38) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">39. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Stem and Leaf Plots]
 * 39) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">40. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Histograms]
 * 40) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">41. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Box-and-whisker Plot]
 * 41) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">42. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proportionality]
 * 42) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">43. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Asymptotes of Rational Functions]
 * 43) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">44. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Another Rational Function Graph Example]
 * 44) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">45. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|A Third Example of Graphing a Rational Function]
 * 45) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">46. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Polynomial Division]
 * 46) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">47. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Simplifying Rational Expressions Introduction]
 * 47) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">48. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Multiplying and Dividing Rational Expressions]
 * 48) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">49. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Adding Rational Expressions Example 1]
 * 49) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">50. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Adding Rational Expressions Example 2]
 * 50) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">51. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Adding Rational Expressions Example 3]
 * 51) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">52. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solving Rational Equations]
 * 52) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">53. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Two more examples of solving rational equations]
 * 53) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">54. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Surveys and Samples] ||

<span style="display: block; font-family: 'Copperplate Gothic Bold',sans-serif; font-size: 24pt; text-align: center;">Geometry <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none; vertical-align: baseline;">[|Euclid as the Father of Geometry] > <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[| Identifying Rays] || || # <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. > <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[| Rhombus Diagonals] || || # <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. > <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[| CA Geometry: Area, Circumference, Volume] ||
 * **<span style="font-family: Arial,sans-serif;">Basic Geometry **
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Perimeter and Area Basics]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Area and Perimeter]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Perimeter of a Polygon]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Perimeter and Area of a Non-Standard Polygon]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Circles: Radius, Diameter and Circumference]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Parts of a Circle]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Area of a Circle]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Solid Geometry Volume]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Cylinder Volume and Surface Area]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Volume of a Sphere] ||   ||
 * **<span style="font-family: Arial,sans-serif;">Introduction to Euclidean Geometry **
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Language and Notation of Basic Geometry]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Lines, Line Segments, and Rays]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1.
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Identifying Parallel and Perpendicular Lines] ||   ||
 * **<span style="font-family: Arial,sans-serif;">Angles **
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Angle Basics]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Introduction to angles (old)]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Measuring Angles in Degrees]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Using a Protractor]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Measuring Angles]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Angle-a-trons]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Acute Right and Obtuse Angles]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Acute Obtuse and Right Angles]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Complementary and Supplementary Angles]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Identifying Complementary and Supplementary Angles]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Angles (part 2)]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proof - Sum of Measures of Angles in a Triangle are 180]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Triangle Angle Example 1]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Angles at the intersection of two lines]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proof-Vertical Angles are Equal]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Angles (part 3)]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Angles formed between transversals and parallel lines]
 * 18) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proof - Corresponding Angle Equivalence Implies Parallel Lines] || # <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1.
 * 19) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Angles of parallel lines 2]
 * 20) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Triangle Angle Example 2]
 * 21) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Triangle Angle Example 3]
 * 22) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Finding Missing Angles]
 * 23) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Finding more angles]
 * 24) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|The Angle Game]
 * 25) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Angle Game (part 2)]
 * 26) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|More on why SSA is not a postulate]
 * 27) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Angles Formed by Parallel Lines and Transversals]
 * 28) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Point Line Distance and Angle Bisectors]
 * 29) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Two column proof showing segments are perpendicular]
 * 30) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Angle Bisector Theorem Examples]
 * 31) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Angle Bisector Theorem Proof]
 * 32) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Inscribed and Central Angles]
 * 33) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Perpendicular Radius Bisects Chord]
 * 34) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Inradius Perimeter and Area]
 * 35) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|2003 AIME II Problem 7]
 * **<span style="font-family: Arial,sans-serif;">Triangles **
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proof - Sum of Measures of Angles in a Triangle are 180]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Triangle Angle Example 1]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Triangle Angle Example 2]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Triangle Angle Example 3]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Challenging Triangle Angle Problem]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Congruent and Similar Triangles]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Congruent Triangles and SSS]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|SSS to Show a Radius is Perpendicular to a Chord that it Bisects]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Other Triangle Congruence Postulates]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Finding Congruent Triangles]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|More on why SSA is not a postulate]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Congruent Triangle Proof Example]
 * 13) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Congruent Triangle Example 2]
 * 14) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Congruent legs and base angles of Isosceles Triangles]
 * 15) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Equilateral Triangle Sides and Angles Congruent]
 * 16) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Equilateral and Isosceles Example Problems]
 * 17) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Another Isosceles Example Problem]
 * 18) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Example involving an isosceles triangle and parallel lines]
 * 19) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Figuring out all the angles for congruent triangles example]
 * 20) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">20. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Triangle Area Proofs]
 * 21) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">21. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Area of an Equilateral Triangle]
 * 22) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">22. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Koch Snowflake Fractal]
 * 23) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">23. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Area of Koch Snowflake (part 1) - Advanced]
 * 24) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">24. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Area of Koch Snowflake (part 2) - Advanced]
 * 25) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">25. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Similar Triangle Basics]
 * 26) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">26. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Similarity Postulates]
 * 27) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">27. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Similar triangles]
 * 28) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">28. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Similar triangles (part 2)]
 * 29) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">29. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Similar Triangle Example Problems]
 * 30) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">30. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Similarity Example Problems]
 * 31) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">31. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Application of Similar Triangles]
 * 32) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">32. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Challenging Similarity Problem]
 * 33) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">33. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Similarity example where same side plays different roles]
 * 34) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">34. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Finding Area Using Similarity and Congruence]
 * 35) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">35. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Introduction to the Pythagorean Theorem]
 * 36) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1.
 * 37) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|The Pythagorean Theorem]
 * 38) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Pythagorean Theorem II]
 * 39) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Pythagorean Theorem Proof Using Similarity]
 * 40) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|45-45-90 Triangles]
 * 41) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|45-45-90 Triangle Side Ratios]
 * 42) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Intro to 30-60-90 Triangles]
 * 43) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|30-60-90 Triangles II]
 * 44) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|30-60-90 Triangle Side Ratios Proof]
 * 45) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|30-60-90 Triangle Example Problem]
 * 46) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">11. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Heron's Formula]
 * 47) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">12. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Part 1 of Proof of Heron's Formula]
 * 48) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">13. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Part 2 of the Proof of Heron's Formula]
 * 49) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">14. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Area of Inscribed Equilateral Triangle (some basic trig used)]
 * 50) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">15. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Right Triangles Inscribed in Circles (Proof)]
 * 51) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">16. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Area of Diagonal Generated Triangles of Rectangle are Equal]
 * 52) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">17. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Triangle Medians and Centroids]
 * 53) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">18. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Triangle Medians and Centroids (2D Proof)]
 * 54) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">19. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Circumcenter of a Triangle]
 * 55) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">20. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Circumcenter of a Right Triangle]
 * 56) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">21. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Incenter and incircles of a triangle]
 * 57) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">22. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Medians divide into smaller triangles of equal area]
 * 58) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">23. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Exploring Medial Triangles]
 * 59) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">24. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proving that the Centroid is 2-3rds along the Median]
 * 60) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">25. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Median Centroid Right Triangle Example]
 * 61) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">26. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proof - Triangle Altitudes are Concurrent (Orthocenter)]
 * 62) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">27. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Review of Triangle Properties]
 * 63) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">28. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Euler Line]
 * 64) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">29. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Euler's Line Proof]
 * 65) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">30. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Common Orthocenter and Centroid]
 * 66) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">31. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Basic Triangle Proofs Module Example]
 * 67) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">32. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Basic Triangle Proofs Module Example 2]
 * 68) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">33. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Fill-in-the-blank triangle proofs example 1]
 * 69) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">34. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Wrong statements in proofs example 1]
 * 70) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">35. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Fill-in-the-blank triangle proofs example 2] ||   ||
 * **<span style="font-family: Arial,sans-serif;">Polygons, quadrilaterals, and parallelograms **
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Quadrilateral Overview]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Quadrilateral Properties]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Area of a Parallelogram]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Area of a Regular Hexagon]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Sum of Interior Angles of a Polygon]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Sum of the exterior angles of convex polygon]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proof - Opposite Angles of Parallelogram Congruent]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proof - Opposite Sides of Parallelogram Congruent]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proof - Diagonals of a Parallelogram Bisect Each Other]
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proof - Rhombus Diagonals are Perpendicular Bisectors]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Proof - Rhombus Area Half Product of Diagonal Length]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Area of a Parallelogram]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Area of a Regular Hexagon]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Problem involving angle derived from square and circle]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|2003 AIME II Problem 7]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Geometry: Deducing Angle Measures]
 * **<span style="font-family: Arial,sans-serif;">Circles **
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Language and Notation of the Circle]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Circles: Radius, Diameter and Circumference]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Parts of a Circle]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Three Points Defining a Circle]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Area of a Circle]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Pi Is (still) Wrong.]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1.
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Right Triangles Inscribed in Circles (Proof)]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Right Triangles Inscribed in Circles (Proof)]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Perpendicular Radius Bisects Chord]
 * 11) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Incenter and incircles of a triangle]
 * 12) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Inradius Perimeter and Area] ||   ||
 * **<span style="font-family: Arial,sans-serif;">Worked Examples **
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">1. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Interesting Perimeter and Area Problems]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|Challenging Perimeter Problem]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Geometry: deductive reasoning]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Geometry: Proof by Contradiction]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Geometry: More Proofs]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Geometry: Similar Triangles 1]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Geometry: Similar Triangles 2]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Geometry: More on congruent and similar triangles]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Geometry: Triangles and Parallelograms]
 * 10) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Geometry: Area, Pythagorean Theorem]
 * 1) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">2. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Geometry: Pythagorean Theorem, Area]
 * 2) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">3. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Geometry: Exterior Angles]
 * 3) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">4. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Geometry: Deducing Angle Measures]
 * 4) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">5. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Geometry: Pythagorean Theorem, Compass Constructions]
 * 5) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">6. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Geometry: Compass Construction]
 * 6) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">7. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Geometry: Basic Trigonometry]
 * 7) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">8. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Geometry: More Trig]
 * 8) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">9. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Geometry: Circle Area Chords Tangent]
 * 9) <span style="font-family: Helvetica,sans-serif; font-size: 9pt;">10. <span style="color: windowtext; font-family: Helvetica,sans-serif; font-size: 11.5pt; text-decoration: none;">[|CA Geometry: Secants and Translations]