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

By Jerome E. Kaufmann, Karen L. Schwitters

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 continuously reinforces the next universal thread: examine a ability; perform the ability to assist clear up equations; after which observe what you could have realized to unravel software difficulties. this straightforward, effortless procedure has helped many scholars take hold of and observe basic challenge fixing talents beneficial 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 preserve scholars all for the strategies whereas minimizing distractions. difficulties and examples reference a wide diversity of subject matters, in addition to occupation components resembling electronics, mechanics, and overall healthiness, displaying scholars that arithmetic is a part of way of life. The text's source package--anchored via more suitable WebAssign, an internet homework administration tool--saves teachers time whereas additionally supplying extra aid and skill-building perform for college kids outdoor of sophistication.

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Extra resources for Elementary Algebra (9th Edition)

Example text

3 18 Divide a common factor of 2 out of 6 and 8, and a common factor of 2 out of 14 and 32 9 14 Multiply aϪ baϪ b .

M. the temperature had dropped 5ЊF. M. 5). 123. Megan shot rounds of 3 over par, 2 under par, 3 under par, and 5 under par for a four-day golf tournament. Use the addition of integers to describe this situation and to determine how much over or under par she was for the tournament. 124. The annual report of a company contained the following figures: a loss of \$615,000 for 2007, a loss of \$275,000 for 2008, a loss of \$70,000 for 2009, and a profit of \$115,000 for 2010. Use the addition of integers to describe this situation and to determine the company’s total loss or profit for the four-year period.

8 32 EXAMPLE 11 Solution 3 7 и 14 ϭ Ϫ 21 64 и 32 4 16 6 14 6 aϪ ba b ϭ Ϫ 8 32 8 Classroom Example 10 12 Multiply aϪ baϪ b. 3 18 Divide a common factor of 2 out of 6 and 8, and a common factor of 2 out of 14 and 32 9 14 Multiply aϪ baϪ b .