Algebra 2 Final Review Name:_________________________________ Period: ___________ Show all your work for full credit!!! 1) Identify the parent function from the equation and then graph using transformations. Describe the transformation. 𝑔(𝑥) = 𝑥 2 − 1 17) Graph and determine the domain and 2 range: 𝑥−1 − 3 = 𝑓(𝑥) 2) Solve the system. 𝑥 + 3𝑦 + 2𝑧 = 13 2𝑥 + 2𝑦 − 𝑧 = 3 𝑥 − 2𝑦 + 3𝑧 = 6 19) Graph: −4 √𝑥 3) Describe the transformations and graph based on the transformations. 𝑔(𝑥) = 4(𝑥 − 2)2 4) Graph: 𝑓(𝑥) = 𝑥 2 − 4𝑥 + 3 6 18) Solve: 𝑥 − 𝑥 = 1 3 20) Graph: 𝑥 2 + 𝑦 2 = 81 21) Identify the parent function from the equation and then graph using transformations. Describe the transformation. 𝑔(𝑥) = −√𝑥 𝑥 1 5) Solve: 𝑥 − 7𝑥 − 8 = 0 22) Simplify: 𝑥 2 −4 + 𝑥−2 6) Solve 𝑥 2 = −81 23) Simplify: 𝑥 2 +5𝑥+4 7) Write the quadratic that fits the set of points: (−1, 8), (0, 6), (1, 2) 24) Write the simplest polynomial with the roots: −3, 𝑖 8) Find |−3𝑖| 25) Solve: 𝑥+2 = 2 𝑥 2 +𝑥−12 3𝑥 9) Simplify: (8𝑥 3 − 4𝑥 2 − 3𝑥 + 1) − (1 − 5𝑥 2 + 𝑥) 10) Simplify: 5𝑥 2 (3𝑥 − 2) 11) Divide: (𝑥 3 − 5𝑥 2 + 2𝑥 − 7) ÷ (𝑥 + 2) 12) Graph: 𝑓(𝑥) = 𝑥 3 − 5𝑥 2 + 8𝑥 − 4 13) Write the simplest polynomial with the roots: −3, 2, 4 14) Simplify: 15) Simplify: 24𝑥 14 𝑥 2 +2𝑥−15 4 𝑥+2 26) Describe the transformation: 𝑔(𝑥) = −√𝑥 + 1 27) Graph and determine the domain and 3 range: 𝑓(𝑥) = 𝑥+2 + 1 1 28) Graph: 𝑥 = 4 (𝑦 + 1)2 𝑥 2 +4𝑥+3 29) Simplify: 𝑥 2 +2𝑥−8 ÷ 3𝑥+3 𝑥−2 30) Graph: 𝑔(𝑥) = 𝑥 3 + 3𝑥 2 + 3𝑥 + 1 9𝑥 16 𝑥−2 2𝑥+2 𝑥 2 −9 ÷ 2𝑥−4 𝑥 2 +8 16) Simplify: 𝑥 2 +4 + 𝑥 2 +4 31) Simplify: 2𝑥 𝑥+4 − 3 𝑥+4 32) Divide: (𝑥 3 − 4𝑥 2 + 3𝑥 + 2) ÷ (𝑥 − 3) Algebra 2 Final Review Name:_________________________________ Period: ___________ Show all your work for full credit!!! 𝑥+5 9𝑥+3 33) Simplify: 3𝑥+1 ∙ 𝑥 2 −25 34) Write the simplest polynomial with the roots: √2, √3 35) Graph and determine the domain and range: 𝑓(𝑥) = 𝑥 2 −3𝑥 𝑥+4 2 2 36) Graph: (𝑥 − 6) + 𝑦 = 361 37) Simplify: 𝑎𝑏 2 (𝑎2 − 𝑎 + 𝑎𝑏) 4𝑥 38) Solve: 𝑥−5 = 53) Simplify: (𝑥 + 4)(𝑥 4 − 3𝑥 2 + 𝑥) 54) Solve: 𝑥 2 − 144 55) Write the quadratic that fits the set of points: (0,0), (1, −1), (2, −6) 56) Write the equation of the circle with: 𝐶(8, −7), 𝑟 = 14 57) Solve 𝑥 2 − 14𝑥 + 75 − 0 𝑥−5 40) Graph: 𝑓(𝑥) = 𝑥 3 + 𝑥 2 − 2𝑥 − 2 41) Simplify: (5𝑥 − 2𝑥 2 ) + (4𝑥 2 + 6𝑥 − 9) (𝑥 2 +2𝑥−3) 𝑥−2 ∙ 𝑥+3 𝑥 2 −𝑥−2 43) Find |12 − 16𝑖| 1 𝑥 2 −𝑥−𝑥 58) Simplify: (5 − 𝑖) − (11 − 𝑖) 59) Solve: √10𝑥 = 3√𝑥 + 1 60) Write the following in vertex form and identify the vertex: 𝑓(𝑥) = 𝑥 2 − 4𝑥 + 9 61) Write a function in vertex form. 𝑓(𝑥) = 𝑥 2 is reflected across the 𝑥 - axis and translated 3 units down to create 𝑔(𝑥) 3 62) Simplify: √27𝑥 6 44) Simplify: (2𝑥 + 5)(𝑥 3 − 𝑥 2 + 1) 45) Simplify: 52) Simplify: (1 + 5𝑖) + (6 − 𝑖) 3𝑥+5 39) Describe the transformation: 𝑓(𝑥) = √−(𝑥 − 8) 42) Simplify: 51) Graph: 𝑓(𝑥) = 𝑥 2 + 2𝑥 + 3 − 𝑥 63) Write the following in vertex form and identify the vertex: 𝑓(𝑥) = 𝑥 2 + 2𝑥 − 7 𝑥+2 1 46) Graph and determine the domain and 2𝑥−4 range: 𝑓(𝑥) = 𝑥+3 47) Graph: (𝑥 + 12)2 + (𝑦 − 4)2 = 15 48) Solve 𝑥 2 + 6𝑥 + 10 = 0 49) Solve: √𝑥 + 6 − 7 = −2 𝑥 𝑥 64) Graph: 𝑥 − 4 = − 6 (𝑦 + 2)2 65) Solve 𝑥 2 − 3𝑥 − 8 = 0 66) Solve: √6𝑥 − 12 = 𝑥 − 2 67) Simplify: (5 − 2𝑖)(6 + 8𝑖) 4 3 68) Solve: 𝑥−2𝑥 = 3𝑥−1 2𝑥 50) Solve: 𝑥+4 + 2 = 2𝑥+8 69) Solve: 4𝑥 2 − 16𝑥 + 16 = 0 Algebra 2 Final Review Name:_________________________________ Period: ___________ Show all your work for full credit!!! Complete each of the following and show all of your work! 70. Which function has the largest y-intercept? a. b. 2𝑥 − 𝑦 = 0 c. X -1 3 5 71. Solve the equation for w: Y -8 0 4 2𝑙 + 2𝑤 = 𝑝. 72. If Wendy spends $585 to get her computer repaired then write an equation that can be solved to find the time the repair took. Time (hours) Cost ($) 1 hour 105 2 hours 165 3 hours 225 4 hours 285 73. A ball is thrown into the air and the following data is recorded. In what time interval does the ball reach its maximum height? X (time in seconds) 1 2 3 4 Y (height in feet) 47 96 96 13 74. If the vertex of a parabola is given as (5, 97) where x is the time it takes to go y feet high, then what can you conclude? 75. Given: 𝑓(𝑥) = −𝑥 (𝑥 − 1)3 (𝑥 + 2)2 a. Find the zeros. b. Determine the multiplicity of the zeros and what that means to the graph (tangent or passes through). c. Determine the end behaviors. d. Graph the function. Algebra 2 Final Review Name:_________________________________ Period: ___________ Show all your work for full credit!!! 1. Parabola, down 1 2. x = 1, y = 2, z = 3 3. Parabola, squeeze, right 2 26. Flipped and up 1 27. Graph in quad 1 and 3 D: x ≠ -2, R: y ≠1 28. Parabola opens right V(0, -1) 4. Parabola V(2, -1) opens up. 29. 5. x = 8, -1 6. x = 9i 30. (𝑥 + 1)3 2𝑥−3 31. 7. SKIP 32. 𝑥 2 − 𝑥 + 𝑥+3 3(𝑥+4) 𝑥+4 3 51. Parabola opens up V(-1, 2) 52. 7 + 4𝑖 53. 𝑥 5 + 4𝑥 4 − 3𝑥 3 − 11𝑥 2 + 4𝑥 54. 𝑥 = ±12 55. SKIP 56. (𝑥 − 8)2 + (𝑥 + 7)2 = 19 2 𝑥−3 57. 7 ± 𝑖√26 8. SKIP 33. 9. 8𝑥 3 + 𝑥 2 − 4𝑥 10. 15𝑥 3 − 10𝑥 2 11. 𝑥 2 − 7𝑥 + 16 − 34. 𝑥 − 5𝑥 2 + 6 35. SKIP 36. Circle C(6,0) r=19 59. x = 9 60. 𝑓(𝑥) = (𝑥 − 2)2 + 5 V(2, 5) 61. 𝑔(𝑥) = −𝑥 2 − 3 37. 𝑎3 𝑏 2 − 𝑎2 𝑏 2 + 𝑎2 𝑏 3 38. No solution 62. 3𝑥 2 63. 𝑓(𝑥) = (𝑥 + 1)2 − 8 V(-1, 8) 64. Parabola, opens down V(4, 2) 39 𝑥+2 12. cubic (zeros: 1 and 2) 13. 𝑥 3 − 3𝑥 2 − 10𝑥 + 24 14. 15. 8𝑥 2 𝑥−5 4 39. SKIP 3 2(𝑥+5) 𝑥+3 16. x = 1, y = -3 17. Graph in quadrants 1 &3 40. (𝑥 + 1)(𝑥 2 − 2) = 0 Cubic with zeros: -1, ±√2 41. 2𝑥 2 + 11𝑥 − 9 𝑥−1 42. 𝑥+1 58. -6 65. 3±√41 2 66. x = 8, 2 67. x = 2 18. x = 3, -2 19. Graph 20. Circle C(0,0) r =9 43. SKIP 44. 2𝑥 4 + 3𝑥 3 − 5𝑥 2 + 2𝑥 + 5 21. Flip the parent graph to quadrant 4 2𝑥+2 22. 46. SKIP 71. 𝑤 = 47. Circle C(-12,4) r= √15 72. 𝑦 = 60𝑥 + 45 23. 48. −3 ± 𝑖 73. Between 2 and 3 seconds 24. 𝑥 + 3𝑥 + 𝑥 + 3 49. x = 19 25. x = 2 50. x = 0 74. the ball reaches it’s maximum height of 97 feet in 5 seconds. 75. a. Zeros: (-2, 0, 1) b. Crosses at 0 and 1, tangent at -2 c. 𝑎𝑠 𝑥 → −∞, 𝑓(𝑥) → −∞ 𝑎𝑠 𝑥 → ∞, 𝑓(𝑥) → −∞ d. graph degree 6 (𝑥−2)(𝑥+7) 𝑥−3 𝑥+1 3 2 45. –𝑥 3 +2𝑥 2 +𝑥+1 68. x = 4/9 69. x = 2 70. a 𝑥(𝑥−2)(𝑥+2) 𝑝−2𝑙 2