Question

what's the axis of symmetry for x^2+2x-8

Answer 1

Explanation

Given the expression

$x^2+2x-8$

We can compare it with the general form

$ax^2+bx+c$

The axis of symmetry is given by the formula

$x=-\frac{b}{2a}=\frac{-2}{2\times1}=-1$

Answer: -1