Download Elementary and Intermediate Algebra, 4th Edition by Stefan Baratto, Barry Bergman, Donald Hutchison PDF

By Stefan Baratto, Barry Bergman, Donald Hutchison

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0, 2 53. Ϫ2, 0, 1 55. 0, 1 57. never 59. sometimes 61. Ϫ$50 63. Ϫ10°F 65. ϩ25,000 people 67. Ϫ4 in. 69. #4, #3, #2, #1, #5 71. Above and Beyond 73. (a) 3; (b) Ϫ3; (c) 3; (d) Above and Beyond; (e) Ϫ7 © The McGraw-Hill Companies. All Rights Reserved. The Streeter/Hutchison Series in Mathematics Elementary and Intermediate Algebra 73. Simplify each expression. 3 Objectives > 0. 3: Adding and Subtracting Real Numbers © The McGraw−Hill Companies, 2011 47 Adding and Subtracting Real Numbers 1> 2> 3> 4> Add real numbers Use the commutative property of addition Use the associative property of addition Subtract real numbers The number line can be used to demonstrate the sum of two real numbers.

The opposite of 18 is ________. 35. 37. The absolute value of the opposite of 3 is ________. 36. 38. The opposite of the absolute value of 3 is ________. 39. The opposite of the absolute value of Ϫ7 is ________. 37. 40. The absolute value of the opposite of Ϫ7 is ________. 38. 39. Elementary and Intermediate Algebra < Objective 2 > Fill in each blank with Ͼ, Ͻ, or ϭ to make a true statement. 40. 41. Ϫ5 ________ Ϫ9 42. Ϫ15 ________ Ϫ10 41. 43. Ϫ20 ________ Ϫ10 44. Ϫ15 ________ Ϫ14 42. 45. ͉3͉ ________ 3 46.

58. 59. 60. 61. 62. 63. 64. ΂ 7 8 19 8 3 2 60. Ϫᎏᎏ Ϫ ᎏᎏ ΃ ΂ 4΃ 13 4 7 61. Ϫᎏᎏ Ϫ Ϫᎏᎏ 62. ᎏᎏ Ϫ Ϫᎏᎏ 63. Ϫ7 Ϫ (Ϫ5) Ϫ 6 64. Ϫ5 Ϫ (Ϫ8) Ϫ 10 65. Ϫ10 Ϫ 8 Ϫ (Ϫ7) 66. Ϫ5 Ϫ 8 Ϫ (Ϫ15) Basic Skills | Challenge Yourself | Calculator/Computer | Career Applications | Above and Beyond Complete each statement with never, sometimes, or always. 67. The sum of two negative numbers is _________ negative. 68. The difference of two negative numbers is _________ negative. 65. 66. 67. 68. 70. The sum of a number and its additive inverse is _________ zero.

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