Jerome E. Kaufmann, Karen L. Schwitters's Algebra for College Students , Ninth Edition PDF

By Jerome E. Kaufmann, Karen L. Schwitters

ISBN-10: 0538733543

ISBN-13: 9780538733540

Kaufmann and Schwitters have outfitted this text's popularity on transparent and concise exposition, a number of examples, and considerable challenge units. This conventional textual content continuously reinforces the next universal thread: study a ability; perform the ability to assist remedy equations; after which follow what you've got discovered to unravel software difficulties. this straightforward, undemanding strategy has helped many scholars grab and observe primary challenge fixing talents valuable for destiny arithmetic classes. Algebraic principles are constructed in a logical series, and in an easy-to-read demeanour, with out over the top vocabulary and formalism. The open and uncluttered layout is helping maintain scholars enthusiastic about the ideas whereas minimizing distractions. difficulties and examples reference a large variety of issues, in addition to occupation parts resembling electronics, mechanics, and healthiness, displaying scholars that arithmetic is a part of daily life. The text's source package--anchored by way of better WebAssign, a web homework administration tool--saves teachers time whereas additionally delivering extra aid and skill-building perform for college students outdoor of sophistication.

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Extra resources for Algebra for College Students , Ninth Edition

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42. 44. 46. 48. 50. 2 • Operations with Real Numbers 3 4 51. aϪ ba b 4 5 53. 3 1 Ϭ aϪ b 4 2 1 4 52. a b aϪ b 2 5 85. 6) 5 7 54. aϪ b Ϭ aϪ b 6 8 87. 6) For Problems 55 – 94, simplify each numerical expression. (Objective 7) 19 86. 8) 88. 6) 89. 9) 90. 5) 55. 9 Ϫ 12 Ϫ 8 ϩ 5 Ϫ 6 56. 6 Ϫ 9 ϩ 11 Ϫ 8 Ϫ 7 ϩ 14 57. Ϫ21 ϩ (Ϫ17) Ϫ 11 ϩ 15 Ϫ (Ϫ10) 91. 2 3 5 Ϫa Ϫ b 3 4 6 58. Ϫ16 Ϫ (Ϫ14) ϩ 16 ϩ 17 Ϫ 19 1 3 1 92. Ϫ Ϫ a ϩ b 2 8 4 1 1 7 59. 7 Ϫ a2 Ϫ 3 b 8 4 8 1 2 5 93. 3a b ϩ 4a b Ϫ 2a b 2 3 6 3 1 3 60. Ϫ4 Ϫ a1 Ϫ 2 b 5 5 10 3 1 3 94.

103. 6 pounds less. 8 pounds less. 6 pounds. If they wanted to lighten the dragster by 50 pounds, did they meet their goal? 104. A large corporation has five divisions. Two of the divisions had earnings of $2,300,000 each. The other three divisions had a loss of $1,450,000, a loss of $640,000, and a gain of $1,850,000, respectively. What was the net gain (or loss) of the corporation for the year? Thoughts Into Words 105. Explain why 0 8 ϭ 0, but is undefined. 8 0 Answers to the Concept Quiz 1. True 2.

22. What is the average daily gain or loss for the week? 67. 4 ounces of a sample. 8 ounces of the sample. How much of the sample remains after he uses it for the five tests? 68. For week 1 of a weight loss competition, Team A had three members lose 8 pounds each, two members lose 5 pounds each, one member loses 4 pounds, and two members gain 3 pounds. What was the total weight loss for Team A in the first week of the competition? Chapter 1 Test 1. State the property of equality that justifies writing x ϩ 4 ϭ 6 for 6 ϭ x ϩ 4.

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Algebra for College Students , Ninth Edition by Jerome E. Kaufmann, Karen L. Schwitters

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