Question

The graph of y=4x^2+16x-18 has an axis of symmetry at x=___

Answer 1

x = - 2

Explanation:

Given

y = 4x² + 16x - 18

with a = 4, b = 16 , then the equation of the axis of symmetry is

x = -
`(b)/(2a)` = -
`(16)/(8)` = - 2