Which function in vertex form is equivalent to f(x) = x2 + 8 – 16x? f(x) = (x – 8)2 – 56 f(x) = (x – 4)2 + 0 f(x) = (x + 8)2 – 7

Question

3 years ago

13

2 f(x) = (x + 4)2 – 32

2 answers:

Aleks [24] · Answer 1 · 2022-01-02T14:27:12+03:00

Aleks [24]3 years ago

7 0

The top is correct, but they made a small typo. The correct answer is f(x) = (x – 8)^2 – 56. Hope this helps!

kkurt [141] · Answer 2 · 2022-01-02T12:22:18+03:00

4 0

Answer:

f(x) = x² + 8 - 16x

= x² - 16x + 8

= (x² - 16x + 64) - 64 + 8

= (x + 8)² - 56