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Week 7 Assignment

Week 7 Assignment - Week 7 Assignment Section 5.1 1 3-3 = 1...

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Week 7 Assignment Section 5.1 1. 3 -3 = 1 = 1 3 3 27 3. -10 -2 = -1 = -1 10 2 100 7. -(1 ) -3 = -(3 ) -3 = 3 3 = -27 = -27 3 1 1 3 1 15. 2 7 * 2 -3 = 2 7-3 = 2 4 = 16 17. 10 -5 * 10 2 = 10 -5+2 = 10 -3 = 1 = 1 10 3 1000 21. (3 -1 ) -3 = 3 -1(-3) = 3 3 = 27 25. (2 3 * 3 -2 ) -1 2 3(-1) * 3 -2(-1) 2 -3 * 3 2 3 2 = 9 2 3 8 27. (4 2 * 5 -1 ) 2 4 2(2) * 5 -1(2) 4 4 * 5 -2 4 4 = 256 5 2 25 29. (2 -1 ) -1 5- 2

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2 -1(1) 5 2(-1) 2 5 2 2 25 33. 3 3 3-1 3 3-(-1) 3 4 81 37. 2 -2 + 3 -2 1 + 1 2 2 3 2 1 + 1 LCD = 36 4 9 1 * 9 + 1 * 4 4 9 9 4 9 * 4 36 36 13 36 41. (2 -3 + 3 -2 ) -1 (1 + 1 ) -1 2 3 3 2 (1 + 1 ) -1 8 9
(9 + 8 ) -1 72 72 (17 ) -1 72 (72 ) 1 17 72 17 45. a 3 * a -5 * a -1 a 3-5-1 a -3 1 a 3 51. (ab 3 c -2 ) -4 a 1(-4) b 3(-4) c -2(-4) a -4 b -12 c 8 c 8 a 4 b 12 53. (2x 3 y -4 ) -3 2 -3 x -3 y -4(-3) 2 -3 x -9 y 12 y 12 2 3 x 9 y 12 8x 9 55. (x -1 ) -3 y -4 x 3 y 12

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61. a 3 b -2 a -2 b -4 a 3-(-2) b -2(-4) a 5 b 2 63. (2xy -1 )(3xy -2 y 4 ) 6x 1-2 y -1+4 6x -1 y 3 6y 3 x 65. (-7a 2 b -5 )(-a -2 b 7 ) 7a 2-2 b -5+7 7a 0 b 2 7(1)b 2 7b 2 67. 28x -2 y -3 4x -3 y -1 7x -2(-3) y -3-(-1) 7x 1 y -2 7x y 2 71. (35x -1 y -2 ) -1 7x 4 y 3 (5x -1-4 y -2-3 ) -1 (5x -5 y -5 ) -1 5 -1 x 5 y 5 x 5 y 5 5 75. x -2 + x -3
1 + 1 LCD = x 3 x 2 x 3 1 * x + 1 x 2 x x 3 x + 1 x 3 x 3 x + 1 x 3 83. 2x -1 - 3x -2 2 - 3 LCD = x 2 x x 2 2 * x - 3 x x x 2 2x - 3 x 2 x 2 2x - 3 x 2 Section 5.2 1. √64 = √8 * 8 = √8 √8 = √2 √2 = 8 5. 3 √27 = 3 √9 * 3 = 3 √9 3 √3 = 3 3 √3 = 3 8. 3 √-125 = 3 √-5 * 25 = 3 √-5 3 √5 -5 13. -√36 = -(6 ) = -6 49 7 7 17. 3 √27 = 3 64 4

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19. 3 √8 3 = 8 21.
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Week 7 Assignment - Week 7 Assignment Section 5.1 1 3-3 = 1...

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