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Chapter 8 Test Review

Chapter 8 Test Review . Final Jeopardy. Multiplying Monomials: 200. Question 3y 4 · y 2 Answer 3y 6. REMEMBER! When you multiply monomials you add the exponents. Back. 1. Multiplying Monomials: 400. Question (8x 2 y 4 )(-3xy 3 ) Answer -24x 3 y 7. Back. 2.

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Chapter 8 Test Review

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  1. Chapter 8 Test Review Final Jeopardy

  2. Multiplying Monomials: 200 Question 3y4 · y2 Answer 3y6 REMEMBER! When you multiply monomials you add the exponents. Back 1

  3. Multiplying Monomials: 400 Question (8x2y4)(-3xy3) Answer -24x3y7 Back 2

  4. Multiplying Monomials: 600 Question (x6y5)3 Answer x18y15 REMEMBER! When there is a power to a power you multiply the exponents. Back 3

  5. Multiplying Monomials: 800 Question 2a2n6 + 2(a2n)5 + 2(an3)2 Answer 4a2n6 + 2a10n5 REMEMBER! You can only add like terms (same variables and exponents). Back 4

  6. Dividing Monomials: 200 Question x5y3 x2y Answer x3y2 REMEMBER! When you divide monomials you subtract the exponents. Back 5

  7. Dividing Monomials: 400 Question 25r2s-4 5r-1s3 Answer 5r3 s7 REMEMBER! The variable will end up where (the numerator or denominator) the lesser exponent is in the original problem. Back 6

  8. Dividing Monomials: 600 Question (-4x3y3)2 (2x2y)4 Answer y2 x2 Back 7

  9. Scientific Notation: 200 Question Change 0.0000123 to scientific notation form Answer 1.23 X 10-5 Back 8

  10. Scientific Notation: 400 Question Change 1.23 X 107 to standard form Answer 12,300,000 Back 9

  11. Scientific Notation: 600 Question (5.3 X 102)(4.1 X 105) Answer 2.17 X 108 REMEMBER! The base must be greater than or equal to 1 and less than 10. Back 10

  12. Scientific Notation: 800 Question The radius of Earth is approximately 3.61 X 108 inches. The radius of the sun is approximately 3.84 X 1010. How many times greater is the radius of the Earth? Answer 1.06 X 102 Back 11

  13. Polynomials: 200 Question Find the degree of the polynomials 10x3y2 – 3x9x + 5y4 + 2x2 Answer 10 Back 12

  14. Polynomials: 400 Question Arrange the terms in descending order 4x3y + 3xy4 – x2y3 + 5 Answer 4x3y– x2y3 + 3xy4 + 5 Back 13

  15. Polynomials: 600 Question (4x + 5xy + 3y) - (4y + 6x + 8xy) Answer -2x – 3xy – y REMEMBER! Distribute the subtraction sign to ALL terms in the following parenthesis. Back 14

  16. Polynomials: 800 Question (4x2+ 5xy + 3y2) + (6x2 – 8xy + 3y2) Answer 10x2 – 3xy + 6y2 REMEMBER! You can only add like terms (same variables and exponents). Back 15

  17. Polynomials: 1000 Question (x2 + 7y) - (3x2 + 5y) Answer -2x2 + 2y Back 16

  18. Multiplying Polynomials: 200 Question 4h2k3(3h3k2 – h2k4 + 5h3k3) Answer 12h5k5 – 4h4k7 + 20h5k6 Back 17

  19. Multiplying Polynomials: 400 Question (3x2 + y2)(3x2 – 3y2) Answer 9x4 – 6x2y2 – 3y4 Back 18

  20. Multiplying Polynomials: 600 Question (2s + 4)(3s2 – 7s + 5) Answer 6s3 – 3s2 – 18s + 20 Back 19

  21. Multiplying Polynomials: 800 Question (6c – 5)2 Answer 36c2 – 60c + 25 Back 20

  22. Multiplying Polynomials: 1000 Question (6a – 2b)(6a + 2b) Answer 36a2 – 4b2 Back 21

  23. Multiplying Polynomials: 1200 Question (5n + 2)2 Answer 25n2 + 20n + 4 22

  24. Solving for a Variable: 200 Question 2(5a – 12) = -6(2a – 3) + 2 Answer a = 2 23

  25. Solving for a Variable: 400 Question 12w + 14 = 13 + 7(8w – 3) Answer w = 1/2 24

  26. Final Jeopardy Each team must bet a portion or all of their points. The bet will be written on the board. Each team will answer the final Jeopardy question on a separate piece of paper. The paper will be handed into a teacher. If the team gets the question correct then the amount of points they bet will be added to their score. If the team gets the question wrong then the amount of points they bet will be taken away from their score. Question The length of a rectangular garden is 6 feet longer than it is wide. The Garden is surrounded by a 3 foot sidewalk. The sidewalk has an area of 216. Find the dimensions of the garden. Answer w = 12 ft l = 18 ft Back 25

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