Problem Recognition Exercises 113 60. In a political poll, the front-runner was projected to receive 53% of the votes with a margin of error of 3%. 0p 0.53 0 0.03 Solve and interpret the solution in the context of this problem. Expanding Your Skills For Exercises 61–64, match the graph with the inequality. 61. 62. ( ( 3 5 63. 64. ( ( 2 6 ( ( 1 5 a. 0x 2 0 6 4 b. 0x 1 0 7 4 c. 0x 3 0 6 2 d. 0x 5 0 7 1 Problem Recognition Exercises Identifying Equations and Inequalities For Exercises 1–8, solve each equation or inequality. Express the solution in interval notation where appropriate. 1. a. 3x 9 18 2. a. 5y 2 20 03x 9 0 0 0 b. 18 b. 5y 2 20 c. 03x 0 0 0 9 18 c. 5y 2 20 d. 03x 9 0 18 d. 0 5y 2 0 20 3. a. 2t 14 0 4. a. b. 2t 14 0 b. x 2 3 x 2 3 9 9 x 2 3 6 9 c. 2t 14 0 c. 0 0 0 0 5. a. 8t 2 2t 3 6. a. 5 x 2 and x 2 8 b. 8t 2 2t 3 b. 5 x 2 8 7. a. 4x 9 11 or 2 x 1 8. a. 4 2y or 3(y 2) 2y 1 b. 4x 9 11 and 2 x 1 b. 4 2y and 3(y 2) 2y 1 b. Solve the equation or inequality. Express the solution set in interval notation where appropriate. 0 0 ( ( 4 6 For Exercises 9–28, a. Identify the type of equation or inequality. Choose from: • linear equation • absolute value equation • linear inequality • compound inequality • absolute value inequality 9. 0.5y 0.7 3.7 10. 3m 9 18 11. 2t 8 4 12. 1 3x 1 13. 11 2t 1 19 14. 2z 3 11 or 3z 3 9 0 0
miller_intermediate_algebra_4e_ch1_3
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