Download Algebra for College Students , Eighth Edition by Jerome E. Kaufmann, Karen L. Schwitters PDF

By Jerome E. Kaufmann, Karen L. Schwitters

Make math a snap with ALGEBRA for students. utilizing daily language and plenty of examples, Kaufman and Schwitters allow you to follow algebra thoughts and ace the try. This quantity additionally comes with Interactive Skillbuilder CD-ROM. This software is choked with over eight hours of video guide to assist all of it make feel. Plus, you will get the strong web-based iLrn Homework software that makes your assignments a breeze. Get the grade you would like with ALGEBRA for students.

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Extra info for Algebra for College Students , Eighth Edition

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What is the perimeter of the rectangle expressed in feet? For Problems 14 –20, evaluate each algebraic expression for the given values of the variables. 14. Ϫ7x Ϫ 3y for x ϭ Ϫ6 and y ϭ 5 15. 7 Equations and Inequalities Involving Absolute Value Most shoppers take advantage of the discounts offered by retailers. When making decisions about purchases, it is beneficial to be able to compute the sale prices. 6 More on Inequalities and Problem Solving A retailer of sporting goods bought a putter for $18.

3(x ϩ 4) ϭ 3(x) ϩ 3(4) 6. [(17)(4)](25) ϭ (17)[(4)(25)] a. The natural numbers 7. x ϩ 3 ϭ 3 ϩ x b. The integers 8. 3(98) ϩ 3(2) ϭ 3(98 ϩ 2) c. The nonnegative integers 4 3 9. a b a b ϭ 1 4 3 d. The rational numbers e. The irrational numbers For Problems 2 –10, state the property of equality or the property of real numbers that justifies each of the statements. For example, 6(Ϫ7) ϭ Ϫ7(6) because of the commutative property for multiplication; and if 2 ϭ x ϩ 3, then x ϩ 3 ϭ 2 is true because of the symmetric property of equality.

38 dollars. What was the net gain (or loss) for the week? 98. On a summer day in Florida, the afternoon temperature was 96°F. After a thunderstorm, the temperature dropped 8°F. What would be the temperature if the sun came back out and the temperature rose 5°F? 92. A scuba diver was 32 feet below sea level when he noticed that his partner had his extra knife. He ascended 13 feet to meet his partner and then continued to dive down for another 50 feet. How far below sea level is the diver? 99. 6 pounds less.

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