Question

Y=-2(x+7)(x+3)
find the vertex

Answer 1

(-5, 8)

Explanation:

The zeros are at x = -7 and x = -3. The vertex is halfway between the zeros.

x = (-7 + -3) / 2

x = -5

y = -2 (-5+7) (-5+3)

y = 8

The vertex is at (-5, 8).