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Advanced Algebra Name _________________________ Chapter 1 Test Review Identify the property shown 1. 3 · x = x · 3 2. 2(r + w) = 2r + 2w 4. 15x(1) = 15x 3. 3a + 0 = 3a 5. 2r + (3r + 4r) = (2r + 3r) + 4r Name the sets of numbers to which each number belongs. 6. 34 7. -525 Unit Analysis $9 8hours 5days 10. = 1hour 1day 1week 8. .875 9. 30 11. Change 672 feet per second to miles per hour. Evaluate the each expression. (PEMDAS) 12. 14 + (6 ÷ 2) 13. [18 – (6 + 4)] ÷ 2 14. 8(4² ÷ 8 – 32) 15. 6 9 3 15 82 Evaluate each expressions when a = 8, b = -3, c = 4 and d = - ½. 16. 5(6c – 8b + 10d) 17. (b – c)² + 4a 18. d(a + c) 19. b – c + 4 ÷ d Simplify each expression. 20. 8(3a – b) + 4(2b – a) 21. 4(10g + 80h) – 20(10h – 5g) 22. 40s + 18t – 5t + 11s 23. 50(3a – b) -20(b – 2a) Solve each Equation. Check your solution. 24. 4m + 2 = 18 25. -3b + 10 = -15 + 2b 26. 3 2 5 x 4 3 6 Solve each equation or formula for the specified variable. 27. I = prt, for p 28. A = 2πr² + 2πrh, for h 29. The formula for the area of a circle is A = πr². The formula for the circumference of a circle is C=2πr. Write a formula for the area of a circle in terms of its circumference. Solve the inequality then graph the solution set on a number line. 30. -3a + 7 ≤ 16 0 31. 4(5x + 7) < 13 0 32. –x + 6 > 5x - 12 0 Solve the compound inequality. Graph its solution. 33. 2x + 5 < 7 or 3x – 9 > 12 + 2x 0 34. -7 < 6x -1 < 11 0 Evaluate each expression if w = -4, x = 2, y = ½ , and z = -6. 35. | 2x – 8 | 36. | 6 + z | - | -7 | 37. | wz | - | xy | 38. 12 - | 10x – 10y | Solve each equation. Check your solutions. 39. | x + 15 | = 37 40. | t – 4 | - 5 = 0 41. | 2x – 1 | + 3 = 9 42. | 16 – 3x | = 4x – 12 Solve the inequality. 43. | x + 1 | < 8 44. | 3x + 3 | > 9 45. | 2x - 5 | ≤ 5