Question

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

Answer 1

Answer:

x = - 2

Step-by-step explanation:

Given

y = 4x² + 16x - 18

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

x = - $\frac{b}{2a}$ = - $\frac{16}{8}$ = - 2