Download e-book for kindle: Algebra for college students by Bernard Kolman; Arnold Shapiro

By Bernard Kolman; Arnold Shapiro

ISBN-10: 0124178758

ISBN-13: 9780124178755

ISBN-10: 1483271218

ISBN-13: 9781483271217

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A + 2a = 2a 2 22. 3(x - 2) = x - 6 24. 3(ab) = (3a)(3b) Simplify the following. 26. 28. 30. 32. 34. 36. 38. 40. 42. 44. 46. 48. 50. 2. 4. 6. 8. 10. 12. 14. 16. 18. = 21. 2(a + 2) 2a + 2 23. (a - b)2 2a - b 25. (2a + 3) + a = 3(a + 2) (2 + x) + 4 27. 29. (x - 3) - 4 31. (2x)( -5) 33. 2(-3x) 35. 4 Ga ) 4x 37. -2 -8x 39. -4 41. (4a) 4(b + 2b) 43. 3 45. 6x + (x -2 1)4 47. 3(a - 2) - 2(b + 4) 49. 3 [ 2u 6+ v ] + � (4u - v) 4 (a - 2� + 4c } + ; (2a - 6b + 2c) = (2 - x) + 2 (x - 5) 2x (-3x)(-4) a(2b)(3c) ; (9 I2a - 6b) -2 4x (3x) ( - �y} � (10 ab) 3(5x - x) 12 3a + (a -2 3a) ( -5) 4(x + y) - 2(x - 2y) 2 (� + y - 2z } - (-2x + 4y + z) - + 27 lHE REAL NUMBER SYSTEM 28 � � ( ) (1 3�668 ) 4 16.

58. (x2 + 2)(x2 + 2) 32. (y2 - 3)(y2 - 3) (x2 - 2)(x2 + 2) 34. (2x2 - 5)(2x2 + 5) (x l )(x2 + 2x - 3) 36. (x - 2)(2x3 + x - 2) 38. ( -3s + 2)( - - s + 3) (2s - 3)(s3 - s + 2) 40. (b + 3)( -3b2 + 2b + 4) (a + 2)(3a2 - a 5) 42. (2y2 + y)( -2y3 + y - 3) (x2 + 3)(2x2 - x + 2) 44. (a2 - 4a + 3)(4a3 + 2a + 5) (x2 + 2x - 1)(2x2 - 3x + 2) (3x2 - 2x + 2)(2x3 - 4x 2) 46. ( -3y3 3y - 4)(2y2 - 2y + 3) 48. ( -3a + ab + b2)(3b2 + 2b + 2) (2a2 + ab b2)(3a - b2 + l ) 50. 2(3x - 2)(2x + 3) 5(2x - 3)2 52. 3x(2x + 1)2 x(2x - l)(x + 2) 54.

The number TT is irrational; therefore, we cannot say are approximations for computational use only. " 3, -j-, These where the PROGRESS TEST 1A 2. l . 72 are (a) natural numbers (c) irrational numbers The numbers numbers ;, V3, - � are (c) real numbers (b) rational num- (d) none of these. (a) irrational numbers (d) none of these. (b) rational 37 38 -3 3. 4. 4. 3;0-=_� a = 3, b 2. 5. 2xx -6y -y x -1, y = 1. 3[(a + 2b) -(2b -a)] a = -2, b = -1, = 5(xa-y)1 b )-3(2bx2-y)a ). 8. 2 ( + ( 112+-81 _181 1 2 10.

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Algebra for college students by Bernard Kolman; Arnold Shapiro


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