Intermediate Algebra by Ignacio Bello, Fran Hopf

By Ignacio Bello, Fran Hopf

Intermediate Algebra prepares scholars for extra classes within the collage math curriculum. scholars of all backgrounds can be overjoyed to discover a fresh publication that appeals to each studying sort and reaches out to assorted demographics. via down-to-earth factors, sufferer skill-building, and highly fascinating and real looking purposes, this worktext will empower scholars to benefit and grasp algebra within the genuine global.

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The answer is 3 units. What about the distance between 23 and 0? The answer is still 3 units. The distance between any number a and 0 is called the absolute value of a and is denoted by uau. Thus u23u 5 3 and u3u 5 3. In general, we have the following definition. Answers to PROBLEMS 3 4. a. 23 b. 5 c. indd 8 d. 1 9 Numbers and Their Properties ABSOLUTE VALUE OF A REAL NUMBER The absolute value of a real number a, denoted by u a u, is defined as the distance between a and 0 on the real-number line.

3 correspond to the 3 same point. 3 G V Applications Involving Real Numbers Now that you have seen some examples of how to write sets with different types of notation and practiced how to compare numbers, let’s use this knowledge to solve the application problem in Example 7. 6 to solve the problem in Example 7. gov. Sources: 2002: Data from Energy Information Administration (EIA) International Energy Annual 2002. Doe/EIA-0219(2002) (Washington, DC. March 2004). gov/lea/, 2025: Data from EIA, System for the Analysis of Global Energy Markets (2005).

4 ϩ 3)] ϩ 1 9. [Ϫ6 ? (4 Ϫ 2)] Ϫ 3 10. [Ϫ2(7 Ϫ 5)] Ϫ 8 13. Ϫ8[3 Ϫ 2(4 ϩ 1)] ϩ 1 ͓ ͔͓ 9 Ϫ (Ϫ3) 3 ϩ (Ϫ8) 17. } } 8Ϫ6 7Ϫ2 ͑ ͒ 14. 6[7 Ϫ 2(5 Ϫ 7)] Ϫ 2 ͑ 3. a. (36 Ϭ 4) ? 3 b. 36 Ϭ (4 ? 3) 4. a. (Ϫ28 Ϭ 7) ? 2 b. Ϫ28 Ϭ (7 ? 2) 7. Ϫ7 ϩ [3 ? (4 ϩ 5)] 8. Ϫ8 ϩ [3 ? (4 ϩ 1)] 11. 3 Ϫ [8 ? (5 Ϫ 3)] 12. 7 Ϫ [3(4 Ϫ 5)] 15. 48 Ϭ {4(8 Ϫ 2[3 Ϫ 1])} ͓ ͔ ͔͓ 6 ϩ (Ϫ2) 8 ϩ (Ϫ12) 18. } } 3 ϩ (Ϫ7) (2 Ϫ 4 ͑ 16. Ϫ96 Ϭ {4(8 Ϫ 2[1 Ϫ 3])} ͔ ͒ ͒ 9 Ϫ 15 8ϩ2 } 3Ϫ1 Ϫ2 20. }} 6Ϫ3 Ϫ4 ϩ 8 } 1 Ϫ 4 ϩ 12 4ϩ2 3Ϫ5 } 2ϩ1 Ϫ2 19. }} 4Ϫ2 Ϫ4 ϩ 3 } 4Ϫ6 Ϫ2 UBV > Self-Tests > e-Professors > Videos ͒ ͑ The Order of Operations In Problems 21–40, use the order of operations to evaluate.

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