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

By Jerome E. Kaufmann, Karen L. Schwitters

ISBN-10: 0538733543

ISBN-13: 9780538733540

Kaufmann and Schwitters have outfitted this text's recognition on transparent and concise exposition, various examples, and ample challenge units. This conventional textual content continually reinforces the subsequent universal thread: examine a ability; perform the ability to assist resolve equations; after which observe what you could have realized to resolve program difficulties. this straightforward, trouble-free procedure has helped many scholars seize and observe primary challenge fixing talents worthwhile for destiny arithmetic classes. Algebraic rules are constructed in a logical series, and in an easy-to-read demeanour, with no over the top vocabulary and formalism. The open and uncluttered layout is helping continue scholars excited about the innovations whereas minimizing distractions. difficulties and examples reference a large variety of issues, in addition to profession components akin to electronics, mechanics, and healthiness, exhibiting scholars that arithmetic is a part of way of life. The text's source package--anchored via more desirable WebAssign, a web homework administration tool--saves teachers time whereas additionally delivering extra aid and skill-building perform for college students open air of sophistication.

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Extra resources for Algebra for College Students (9th Edition)

Example text

EXAMPLE 7 Simplify 3(Ϫ4)2 ϩ 5(Ϫ3)2. Solution 3(Ϫ4)2 ϩ 5(Ϫ3)2 ϭ 3(16) ϩ 5(9) ϭ 48 ϩ 45 ϭ 93 Classroom Example Simplify (4 Ϫ 11) 2. EXAMPLE 8 Find the powers Simplify (2 ϩ 3)2. Solution (2 ϩ 3) 2 ϭ (5) 2 ϭ 25 Classroom Example Simplify [6 (Ϫ2) Ϫ 5 (Ϫ3)] 3. EXAMPLE 9 Add inside the parentheses before applying the exponent Square the 5 Simplify [3(Ϫ1) Ϫ 2(1)]3. Solution [3(Ϫ1) Ϫ 2(1)]3 ϭ [Ϫ3 Ϫ 2]3 ϭ [Ϫ5]3 ϭ Ϫ125 Classroom Example Simplify: 1 2 1 1 3 6a b Ϫ 12a b ϩ 21a b Ϫ 4 3 3 3 E X A M P L E 10 1 2 1 1 3 Simplify 4a b Ϫ 3a b ϩ 6a b ϩ 2.

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. 4(Ϫ2)3 Ϫ 3(Ϫ1)4 37. Ϫ3(Ϫ2)3 ϩ 4(Ϫ1)5 38. 5(Ϫ1)3 Ϫ (Ϫ3)3 39. (Ϫ3)2 Ϫ 3(Ϫ2)(5) ϩ 42 40. (Ϫ2)2 Ϫ 3(Ϫ2)(6) Ϫ (Ϫ5)2 41. 23 ϩ 3(Ϫ1)3(Ϫ2)2 Ϫ 5(Ϫ1)(2)2 42. Ϫ2(3)2 Ϫ 2(Ϫ2)3 Ϫ 6(Ϫ1)5 43. (3 ϩ 4)2 44. (4 Ϫ 9)2 45. [3(Ϫ2)2 Ϫ 2(Ϫ3)2]3 46.

If n represents a multiple of 3, what represents the next largest multiple of 3? 59. Celia has p pennies, n nickels, and q quarters. How much, in cents, does Celia have? 60. The perimeter of a square is i inches. How long, in feet, is each side of the square? 63. Joan is f feet and i inches tall. How tall is she in inches? 64. The perimeter of a rectangle is 50 centimeters. If the rectangle is c centimeters long, how wide is it? 65. Kalya has the capacity to record 4 minutes of video on 1 her cellular phone.

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


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