By Jerome E. Kaufmann, Karen L. Schwitters

ISBN-10: 0538733543

ISBN-13: 9780538733540

Kaufmann and Schwitters have outfitted this text's acceptance on transparent and concise exposition, quite a few examples, and ample challenge units. This conventional textual content always reinforces the subsequent universal thread: study a ability; perform the ability to aid remedy equations; after which follow what you have got realized to unravel program difficulties. this straightforward, basic technique has helped many scholars snatch and practice basic challenge fixing abilities invaluable for destiny arithmetic classes. Algebraic rules 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 preserve scholars all in favour of the suggestions whereas minimizing distractions. difficulties and examples reference a vast diversity of issues, in addition to profession components comparable to electronics, mechanics, and health and wellbeing, exhibiting scholars that arithmetic is a part of way of life. The text's source package--anchored by means of superior WebAssign, an internet homework administration tool--saves teachers time whereas additionally supplying extra support and skill-building perform for college students open air of sophistication.

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**Example text**

Four less than one-half of a number 72. Seven more than three times a number 91. If n represents an odd integer, what represents the next larger odd integer? 73. The quotient of a number and 8 74. The quotient of 50 and a number 92. If n represents an even integer, what represents the next larger even integer? 75. Nine less than twice a number 93. The cost of a 5-pound box of candy is c cents. What is the price per pound? 76. Six more than one-third of a number 77. Ten times the difference of a number and 6 78.

11. 7(4) ϩ 9(4) ϭ (7 ϩ 9)4 35. 7(2)3 ϩ 4(Ϫ2)3 12. (x ϩ 3) ϩ (Ϫ3) ϭ x ϩ [3 ϩ (Ϫ3)] 36. Ϫ4(Ϫ1)2 Ϫ 3(2)3 13. [(Ϫ14)(8)](25) ϭ (Ϫ14)[8(25)] 3 4 14. a ba b ϭ 1 4 3 For Problems 15–26, simplify each numerical expression. Be sure to take advantage of the properties whenever they can be used to make the computations easier. (Objective 2) 15. 16. 17. 18. 36 ϩ (Ϫ14) ϩ (Ϫ12) ϩ 21 ϩ (Ϫ9) Ϫ 4 Ϫ37 ϩ 42 ϩ 18 ϩ 37 ϩ (Ϫ42) Ϫ 6 [83 ϩ (Ϫ99)] ϩ 18 [63 ϩ (Ϫ87)] ϩ (Ϫ64) 19. (25)(Ϫ13)(4) 3(Ϫ1)3 Ϫ 4(3)2 32. (Ϫ3)3 ϩ 32 34.

2. The product (or quotient) of one positive and one negative number is the opposite of the product (or quotient) of their absolute values. Evaluate exponential expressions. 3/Objective 3) Exponents are used to indicate repeated multiplications. The expression bn can be read “b to the nth power”. We refer to b as the base and n as the exponent. Solution The integers are Ϫ4 and 0. Solution The statement, “If x ϭ y and y ϭ 7, then x ϭ 7,” is justified by the transitive property of equality. Find the absolute value of the following: 15 ` (a) 0 Ϫ20 (b) ` (c) 0Ϫ23 0 4 Solution (a) 0 Ϫ2 0 ϭ Ϫ(Ϫ2) ϭ 2 15 15 ` ϭ (b) ` 4 4 (c) 0Ϫ 23 0 ϭ ϪAϪ 23B ϭ 23 Simplify: (a) Ϫ20 ϩ 15 ϩ (Ϫ4) (b) 40 Ϫ (Ϫ8) (c) Ϫ3(Ϫ4)(Ϫ5) Solution (a) Ϫ20 ϩ 15 ϩ (Ϫ4) ϭ Ϫ5 ϩ (Ϫ4) ϭ Ϫ9 (b) 40 Ϫ (Ϫ8) ϭ 40 ϩ (ϩ8) ϭ 48 (c) Ϫ3(Ϫ4)(Ϫ5) ϭ 12(Ϫ5) ϭ Ϫ60 Simplify 2(Ϫ5) 3 ϩ 3(Ϫ2) 2.

### Algebra for College Students (9th Edition) by Jerome E. Kaufmann, Karen L. Schwitters

by Ronald

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