Question

What is the axis of symmetry for f(x) = 2x2 - 8x + 8?

Ox
= -2
Ox=-3
Ox=3
Ox=2

Answer 1

x = 2

Explanation:

For quadratic ax^2 +bx +c, the axis of symmetry is x = -b/(2a).

Here, we have a=2, b=-8, so the axis of symmetry is ...

x = -b/(2a) = -(-8)/(2(2)) = 8/4

x = 2