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5.3 – 5.5 Quiz Review Name: __________________________________ Hour:_______ Algebra II Factor the expression. 1. x 2 + 4x + 3 2. x 2 – 6x + 5 3. x 2 – 3x – 10 4. x 2 – 11x + 28 5. x 2 + 4x – 32 6. x 2 – 7x – 18 Solve the equation. (Remember to solve an equation it must = 0!) 7. x 2 – 15x + 44 = 0 8. x 2 – 2x – 15 = 0 9. x 2 – 7x – 4 = -10 10. x 2 + 27 = 12x 11. 9x – 8 = x 2 12. x 2 + 10x + 9 = 0 Factor the expression. (Notice that a 1. That means you must check for GCF first, then use the “box” method if needed!) 13. 3x 2 + 12x + 9 14. 2x 2 – 24x + 64 15. 6x 2 – x – 5 16. 5x 2 + x – 4 17. 9x 2 – 3x – 6 18. 6x 2 – 13x – 28 19. 3x2 + 14x – 5 20. 12x2 – 39x + 9 21. 20x2 – 54x + 36 22. 4x2 + 4x – 24 23. -12x2 – x + 11 24. 2x2 + 5x – 3 Solve the equation. (Remember to solve an equation it must = 0!) 25. 4x 2 – 7x + 3 = 0 26. 8x 2 – 20x – 12 = 0 27. 8x2 – 6x = -1 28. 9x2 + 11x + 18 = -10x + 8 29. x2 + 3x = 0 30. 2x2 – 4x = 16 Find the zeros of the function. 31. y = 3x 2 – 10x + 3 32. y = 2x 2 – 6x + 4 Factor the expression. (Hint: Use” Difference of Two Squares” pattern.) 33. x 2 – 36 34. –2x 2 + 32 35. 25p 2 – 144 36. 4x2 – 9 37. x2 – 16 38. 3x2 – 27 Solve the equation. (Remember to solve an equation it must = 0!) 39. 8w 2 = 50 40. –5x 2 + 125 = 0 Answers: 1. (x + 1)(x + 3) 2. (x – 5)(x – 1) 3. (x – 5)(x + 2) 4. (x – 7)(x – 4) 5. (x + 8)(x – 4) 6. (x – 9)(x + 2) 7. x = 4, 11 8. x = 5, -3 9. x = 6, 1 10. x = 9, 3 11. x = 8, 1 12. x = -9, -1 13. 3(x + 1)(x + 3) 14. 2(x – 8)(x – 4) 15. (6x + 5)(x – 1) 16. (5x – 4)(x + 1) 17. 3(3x + 2)(x – 1) 18. (2x – 7)(3x + 4) 19. (3x – 1)(x + 5) 20. 3(x – 3)(4x – 1) 21. 2(2x – 3)(5x – 6) 22. 4(x + 3)(x – 2) 23. (12x – 11)(x + 1) 24. (2x – 1)(x + 3) 25. x = ¾, 1 26. x = 3, -½ 27. x = ½, ¼ 28. x = -5/3, -2/3 29. x = 0, -3 30. x = 4, -2 31. x = 1/3. 3 32. x = 2, 1 33. (x + 6)(x – 6) 34. -2(x + 4)(x – 4) 35. (5p + 12)(5p – 12) 36. (2x – 3)(2x + 3) 37. (x + 4)(x – 4) 38. 3(x + 3)(x – 3) 39. w = 5/2, -5/2 40. x = 5, -5