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Name: _____________________________ Solving – ZPP, Factoring, Square Roots, and Quadratic Formula Use the Zero-Product Property to solve each equation. Show all work on another sheet of paper. 1. (x + 5)(x - 3) = 0 2. (x - 2)(x + 9) = 0 3. (b - 12)(b + 12) = 0 4. (2n + 3)(n - 4) = 0 5. (x + 7)(4x - 5) = 0 6. (2x + 7)(2x - 7) = 0 7. (3x - 7)(2x + 1) = 0 8. (8y - 3)(4y + 1) = 0 9. (5x + 6)(4x + 5) = 0 Solve by factoring. Show all work on another sheet of paper. 10. x2 + 5x + 6 = 0 11. b2 - 7b - 18 = 0 12. r2 - 4 = 0 13. x2 + 8x - 20 = 0 14. y2 + 14y + 13 = 0 15. s2 - 3s - 10 = 0 16. x2 + 7x = 8 17. 3x2 – 12x = 0 18. h2 + 10h = -21 19. 2t2 + 8t - 64 = 0 20. 3a2 - 36a + 81 = 0 21. 5x2 - 45x = 0 22. 8y2 – 44y = 0 23. 3n2 - 11n + 10 = 0 24. 2x2 - 7x - 9 = 0 25. 2n2 - 5n = 12 26. 9m2 – 49 = 0 27. 5s2 - 17s = -6 28. 6m2 = 13m + 28 29. 4a2 = 8a 30. 4r2 = r + 3 Solve by finding square roots. Show all work on another sheet of paper. 31. x2 = 16 32. x2 - 144 = 0 33. 3x2- 27 = 0 34. x2 – 16 = 0 35. x2 = 25 36. x2 – 8 = 10 37. 3x2 = 300 38. 4x2 + 5 = 41 39. 4x2 + 6 = 7 40. 25x2 - 7 = 74 41. 3x2 - 75 = 0 42. 4x2 - 8 = 32 Solve each equation. Show all work on another sheet of paper. 43. (x - 9)(x + 8) = 0 44. x - 9x - 10 = 0 45. (c - 21)(c + 21) = 0 46. (x - 12)(5x - 13) = 0 47. x2 - 400 = 0 48. x2 + 6x - 91 = 0 49. a2 + 6a - 72 = 0 50. 4x2 + 8x - 21 = 0 51. 20d2 - 82d + 80 = 0 52. 3n2 + 12n - 288 = 0 53. 2s2 - 13s - 24 = 0 54. x2 + 5x = 150 55. 5x2 - 8 = 72 56. 30a2 + 121a - 21 = 0 57. c2 - 81 = 0 58. x2 + 306 = -35x 59. x2 = 121 60. x2 - 21x + 108 = 0 Use the quadratic formula to solve each equation. If an equation has no solutions, write no solution. If necessary, round to the nearest hundredth. All work should be shown on another sheet of paper. 61. x2 + 8x + 5 = 0 62. d2 - 4d - 96 = 0 63. 4x2 + 7x + 9 = 0 64. x2 + 13x + 30 = 0 65. 6w2 - 23w + 7 = 0 66. 5y2 = 17y + 12 67. 5a2 - 9a + 5 = 0 68. x2 + 3x – 8 = 0 69. x2 + 5x - 90 = 0 70. 8x2 + 25x + 19 = 0 71. 4a2 + 8a = 221 72. 3x2 - 19x + 40 = 0 Page 3 Factoring and Solving Review Name: _____________________________ Factor the following expressions completely. 1) 12x4 – 21x2 + 9x 2) 32x5 + 80x 3) 18x4 + 6x – 24 Solve the following equations. 4) 3x2 – 5x + 7 = 7 6) 35x2 – 10x = 0 5) 3x3 = 24x2 Factor the following expressions completely. 7) x2 + 10x – 24 8) 4x2 – 4x – 15 9) 3x2 – x – 14 Solve the following equations 10) 2x2 + x = 3 12) 6x2 = 5x + 4 11) x2 – 2x – 15 = 0 Factor the following expressions completely. 13) x2 – 121 14) 16x2 – 25 15) 9x2 – 169 Solve the following equations. 16) 2x2 – 98 = 0 18) 9x2 + 3 = 4 17) 2x2 + 3x = 4 Page 4