SOLUTION: f(x) = −x^2 + 8x − 16 Rewrite the function in f(x) = a(x − h)2 + k form.

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Question 1141287: f(x) = −x^2 + 8x − 16
Rewrite the function in
f(x) = a(x − h)2 + k
form.

Found 2 solutions by Boreal, josgarithmetic:
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
vertex is x=-b/2a or -8/-2 = 4
f(4)=0
so have (x-4)^2+0 without a defined.
this is x^2-8x+16
multiply by -1 and have -x^2+8x-16
so f(x)= -(x-4)^2 in vertex form.

Answer by josgarithmetic(39616) About Me  (Show Source):