2-5 Solving Equations Involving Absolute Value
Evaluate each expression if a = –2, b = –3, c = 2, x = 2.1, y = 3, and z = –4.2.
13. ANSWER: 6
14. ANSWER: –13
15. ANSWER: –7.4
Solve each equation. Then graph the solution set.
22. ANSWER: {8, –2}
23. ANSWER: {–11, –9}
24. ANSWER: 25. ANSWER: {7, –3}
26. ANSWER: {2, –3.25}
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ANSWER: {7, –3}
2-5 Solving Equations Involving Absolute Value
26. ANSWER: {2, –3.25}
Write an equation involving absolute value for each graph.
35. ANSWER: 36. ANSWER: Solve each equation. Then graph the solution set.
37. ANSWER: {–24, 16}
38. ANSWER: 39. ANSWER: 40. ANSWER: {5.5, –5.5}
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2-5 Solving Equations Involving Absolute Value
40. ANSWER: {5.5, –5.5}
41. ANSWER: no solution
42. ANSWER: {2, –2}
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