Algebra 2 Trimester 2 Final Exam Review I can graph quadratic equations. Algebraically find all characteristics, then graph. 1. y = 2(x + 1)2 + 4 Vertex: Equation for LoS: x-intercepts: 2. y-intercept: y = (x – 4)(x + 2) Vertex: Equation for LoS: x-intercepts: 3. y-intercept: y = x2 + 2x – 3 Vertex: Equation for LoS: x-intercepts: y-intercept: Name_____________________ 4. y = 3x2 – 4x + 2 Vertex: Equation for LoS: x-intercepts: 5. y y-intercept: 1 (x 1)2 2 2 Vertex: Equation for LoS: x-intercepts: 6. y-intercept: y = -3(x + 1)(x - 1) Vertex: Equation for LoS: x-intercepts: y-intercept: I can solve quadratic equations. Algebraically, solve for the appropriate variable. Show your work!!! 7. x2 + 4x = y a. 8. Find f(0). b. Find x when f(x) = 20. Find y when x = -2. b. Find x when y = 15. b. Find x when y = 0. b. Find x when f(x) = 10 3x2 – 24x = y + 48 a. 11. Find x when y = 0. x2 - 6x – 12 = y a. 10. b. f(x) = 4(x – 1)2 a. 9. Find y when x = 4. Find y when x = 3 f(x) = -x2 + 4x + 5 a. Find f(-1) I can simplify polynomial expressions. Simplify the expressions. 12. (3x 4 y 2 )3 13. (x 2 y 3 )3 x 4 14. 15. (r 4 s 9 ) (r 2st 0 ) 16. 3a 3b 6 6a 3b 2 17. 3x 5 18. x7 19. 2a b c 3b c 0 2 5 3 7 2x 6 y 5 16x 3 y 2 (4x 2 y 3 )5 4 20. x 2 Perform the indicated operation. Write answers in standard form. 21. (5x3 – x + 3) + (x3 – 9x2 + 4x) 22. (x3 + 4x 2 – 5x) – (4x3 + x2 – 7) 23. (x – 6)(5x2 + x – 8) 24. (x – 2)2(x + 7) 25. a. Write an expression for perimeter as a polynomial in standard form. 3x + 2 b. Write an expression for area as a polynomial in 6x + 1 standard form. I can factor polynomials completely. Factor completely. 26. x4 - 81 27. x3 + 5x2 – 9x – 45 28. 3x6 + 12x4 – 96x2 29. 3x2 + 10x – 8 30. 4x5 + 12x2 31. 6x2 – 14x + 8 32. 3x2 - 24 33. 6w4 + 33w2 + 36 34. 14x3 - 40x2 - 6x I can solve polynomial equations. Do all solving algebraically. For questions 35-36, solve parts b and c by factoring. 35. Given y = 4x4 - 16x3 + 16x2 a. Find y when x is -1 36. b. Find x when y is 0 c. Find x when y is 64x b. Find x when f(x) = -6. c. Find x when f(x) = 0. Given f(x) = x4 + 7x2 a. Find f(2). Solve for x. 37. 0 = x3 – 4x2 – 11x + 30 38. 0 = x4 + 15x2 – 16 39. 0 =2x4 - 9x3 + 37x - 30 40. 0 = 2x3 + 3x2 – 8x + 3 Show all work! Write and solve a polynomial equation to find the dimensions of the solid with the given volume. 41. V 54 cm3 42. V = 12 yd3 2x 2x + 3 2x x -1 x+4 Write a volume equation for the box that can be made when the paper is folded. Find the maximum volume of the box. 43. 44. 11 in 7 in 10 in 15 in I can graph polynomial equations. Identify the characteristics of the graph of each polynomial and sketch the graph. Show all work!!! 45. f(x) = 4(x + 1)(x + 2)(x – 1) 46. h(x) = -½x(x + 4)(x – 3)(x + 1) 47. g(x)= (x + 2)2(x – 1) End behavior: End behavior: End behavior: x-intercepts: x-intercepts: x-intercepts: Multiplicity of any zero? Multiplicity of any zero? Multiplicity of any zero? y-intercept: y-intercept: y-intercept: 48. k(x) = (x + 1)2(x - 1)(x – 3) 49. m(x) = -0.25(x + 5)(x – 2)(x + 1) 50. n(x)=-2(x + 1)2(x – 2)2 End behavior: End behavior: End behavior: x-intercepts: x-intercepts: x-intercepts: Multiplicity of any zero? Multiplicity of any zero? Multiplicity of any zero? y-intercept: y-intercept: y-intercept: Write the equation of the polynomial function shown in the graph. 51. 52. 53. Solve with your graphing calculator!! Solve for the appropriate variable. 54. 56. f(x) = 2(x + 3)2 – 7 55. g(x) = 3x3 + 4x2 – 6x + 1 a. f(-1) a. find x when g(x) = -7 b. find x when f(x) = 5 b. find x when g(x) = 2 c. find x when f(x) = -10 c. g(-3.17) 4x4 + 5x2 – 10x + 6 = 15 57. x + 3 = x2 + 4x – 10 59. h(x) = -5x2 – 4x + 2 Find the maximum or minimum value of the function. 58. y = 3x2 + 5x – 7