Question

13

Select the correct answer.
What is the standard form of this function?
Rx) = -(x-4)²+2
OA
Rx) = x2 + 8x-14
OB.
Ax) = x2 + 4x - 30
OC.
RX) = -x2 + 4x - 30
OD
AX) = -x2 + 8x - 14

Answer 1

D.
`\bold{\ -x^2+8x-14\ }`

Explanation:

`-(x-4)^2+2=-(x-4)(x-4)+2 = -(x^2-4x-4x+16)+2 = \\\\=-(x^2-8x+16)+2=-x^2+8x-16+2=\underline{\ -x^2+8x-14\ }`