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Chapter 6 Test B Study Guide Answers; page 72-73

1-3. See number line on board on class 4. yes because 6/2 = 3 and 3 is an integer 5. 11 6. 1 7. 199 8. 3 9. -9 10. -56 11. -14 12. 26 13. -18 14. -121 15. 105 16. -156 17. -5 18. -13 . 19. 9 20. x = -5 21. y = -12 22. a = -9 23. b = 54 24. =

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Chapter 6 Test B Study Guide Answers; page 72-73

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  1. 1-3. See number line on board on class 4. yes because 6/2 = 3 and 3 is an integer 5. 11 6. 1 7. 199 8. 3 9. -9 10. -56 11. -14 12. 26 13. -18 14. -121 15. 105 16. -156 17. -5 18. -13 19. 9 20. x = -5 21. y = -12 22. a = -9 23. b = 54 24. = 25. > 26. < 27. > 28. -7/9; -9/7; 7/9 29. 7/4; 4/7; -7/4 30. -3/10; -10/3; 3/10 31. 16/5; 5/16; -16/5 Chapter 6 Test B Study Guide Answers; page 72-73

  2. Chapter 6 Test B Study Guide Answers; page 72-73 • 32. [9 * (-15) * (-2) write original expression = 9 * [(-15) * (-2)] associative property of multiplication = 9 * 30 = 270 multiply -15 and -2 then multiply by 9 33. 4.7 + [(-9) + 3.3] write original expression = 4.7 + [(3.3) + (-9)] commutative property of addition = [4.7 + (3.3)] + (-9) associative property of addition = 8 + (-9) = -1 add 4.7 and 3.3, then add -9.

  3. Chapter 6 Test B Study Guide Answers; page 72-73 • 34. 4 35. 63 36. 67.2 37. 42 • 38. 3 units; 4 units; 12 square units • 39. 4 units; 7 units; 28 square units

  4. Chapter 7 Test B Study Guide Answers; page 89-90 • 1. x – 10 = 12; x = the original price of the hat • 2. x + 12; x = original temperature • 3. coefficients: 2, 1; constants: -7; like terms: 2y and y • 4. coefficients: 3 and 2; constants: -1; like terms 3r and 2r • 5. coefficients: -5 and 8; constants: 10 and -2; like terms -5f and 8f ; 10 and -2

  5. Chapter 7 Test B Study Guide Answers; page 89-90 • 6. 6x + 1 7. 19d – 20 • 8. x – 4 = -12; x = -8 • 9. 3 + x = 11; x = 8 10. c • 11. -7; (-2)(-7) = 14 • 12. 10; 2/5(10) = 4 • 13. 51 = c – 23; 74 acres • 14. 26 = 1/3x; 78 acres • 15. 68 years old 16. 4n + 9n = 39; n = 3 • 17. 2n + 7 = 15; n = 4

  6. Chapter 7 Test B Study Guide Answers; page 89-90 • 18. g < 14; open circle above the # 14 on the number line and shaded arrow to the left of 14 • 19. d ≤ 3; closed circle above the # 3 on the number line and shaded arrow to the left of 3 • 20. a ≥ 62 21. h<36

  7. Chapter 7 Test B Study Guide Answers; page 89-90 • 22. the table above is the answer to #22 • 23. y = 3x; 36 feet 24. y = x 4

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