11. what is complete factored form of 2x²-6x-8? A. (2x + 2) ( x -4) B.(2x + 1) (x + 4) C. (2x - 2) (x -5) D. (2x-1)(x + 5) 12. you know if one factor of 3x ²+ 17 x + 10 is 3x + 2, what is the other factor? A. x -5 B. 3 x -2 C. x + 5 D. 2x + 5
13. what is the complete factored form of 6x²-17x+5? A. (2x-5)(3x-1) B. (2x+5)(3x+1) C. (2x+5)(3x+2) D. (2x-5)(3x-2)
14. which of the following is a perfect square trinomial? A. x²-4x+8 B. x²-y+2y² C. 4x²+12x+9 D. 6x²+?-3xy-y²
15. what are the two numbers whose sum is finn and whose product is -18? A. 3and -6 B. -3 and 6 C. -3 and -6 D. 3 and 6​