On lentify the equations as linear, quadratic, or neither. 8. 4 5x 0 9. 5x32 = 0 10. 3 11. 1-x + 2x2 = 0 12. 7x48=0 13. 3 Objective 2: Zero Product Rule For Exercises 14-22, solve the equations using the zero product rule. (See Examples 1-3 ebirou EXOLCIEOE 14. (x 5)(x + 1) 0 15. (x +3)(x - 1) 0 16. R0 18. 2(x 7)(x - 7) 0 17. (2x- 7)(2x +7) 0 19. 3 20. (3x 2)(2x 3) 0 21. x(5x 1) 0 22. 23. For a quadratic equation of the form ax +bx + c 0, what must be done product rule? 24. What are the requirements needed to use the zero product rule to solve a degree polynomial equation? Objective 3: Solving Equations by Factoring 85-930 1 For Exercises 25-72, solve the equations. (See Examples 4-8.) P 27. 25. p2- 2p - 15 0 26. y2 7y 8 0 ISA 29. 2q2 -7q 4 T4 30. 024 12 23 28. w2 - 10w +16 = 0 Cno etry Ap32. 4a-49 0 www. mo 33. 31. 0 9x2- 4 20P = 19 SP. 35. 0 2m- 5m2 - 12m 36. 30 39 38. 4(2x 1)x- 10)(x +7) 0 34. 0=22 +20t50 MA 0A 37. 5(3p 1)(p - 3)(p + 6) 0 41. -5x(2x +9 jx - 11 ) 0 42 40.x(3x + 1)(x +1) 0 SA 20 44. 12- 36( 45. 43. 16x 0 47. 16m9 48 46. 2y2 20y 0 51. 49. 2y3 +14y2 -20y 50. 3d - 6d 24d 54. 52. 8h=5(h-9) +6 53. 2c(c 8) -30 57. 55. b3 =-4b2 - 4b 56. 36x 12x2

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