Select the approximate values of x that are solutions to f(x)=0, where f(x)=-6x^{2}+8x+9. A. {2.06, -0.73} B. {-6, 8} C. {-1.33, -1.50} D. {-0.67, 0.89} Jun 9 | Trisha from Katy, TX | 2 Answers | 0 Votes Mark favorite Subscribe Comment
f(x ) = -6X^2 + 8X + 9 x = -8/-12 ±√(64- 4(-6)(9)) / -12= 2/3 ±16.73/12 = (-0.73 ,206) Jun 9 | Parviz F. Comment