Question: 9. Which pair of functions is equivalent? a. f(x) = -8x2 - 5x - 3 b. f(x) = (-6x2 + 7x) + (8x2 -x) g(x)

9. Which pair of functions is equivalent? a. f(x) = -8x2 - 5x - 3 b. f(x) = (-6x2 + 7x) + (8x2 -x) g(x) = 8x2 + 5x + 3 g(x) = 2x2 + 6x c. f(x) = (2x2 - 4x) - (10x2 + 6x) d. f(x) = 3x2 -x + 9 g(x) = -8x2 + 2x g(x) = 3(x2 + 3) 10. Simplify: 3x2+ 6x 2x+4 a. x + 3x 2 b. 3x C. 3x2 2 d. 11. Factor completely: 64y2 - 4 a. (8y - 2)(8y + 2) b. (8y -2)2 c. 4(16y2 - 1) d. 4(4y - 1)(4y + 1) 12. Factor completely: x2 - 2xy + y2 a. (x- y)(x+y) b. ( x-y)2 c. cannot factor d. ( x + y)2 13. What are the restrictions of the variables of the expression shown? 4g-h X : 12gh2 3g 293h a. g#0 b. g #0, h#0 c. h #0 d. no restrictions 14. Simplify: : : P-2 > 9p+9 * 3P + 3 p+2 a. 3(p - 2) b. -3 c. 3(p2 - 2) d. 3 p + 2 2p + 1 p2 + 2 15. Which of the following are factors for the polynomial: x3 + 9x2 + x + 9? a. (x + 1)(x2 + 9) b. (x + 3x)(x2 + 3) c. (x + 1)(x2 + 6x + 9) d. (x + 9)(x2 + 1) 16. Simplify: 2q2 - 6q X 9q + 81 q2 + 18 q + 81 q2 -9 a. 2q b. 11/2 C. 18q d. 18 (q + 3) (q + 9)(q+3) (q + 9)(q-3) 17. Simplify: 14mn3 21mn a. 3n b. 2n C. 2 d. 3 3n 2n 18. Factor completely: 64 - 36x2 a. (8 - 6x)(8 + 6x) b. (6x + 8)(6x -8) c. (4 - 3x)(4 + 3x) d. 4(4 + 3x)(4 - 3x) 19. A graph with undefined values can result in a. a hole b. an asymptote c. a helix d. either a) or b) 20. Simplify: 2(t - 3) - 3(t + 1) a. t - 9 b. - t - 9 C. - t - 3 d. t - 3

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