Question

Find the vertex of the parabola whose equation is y = x^2 + 8x + 12.
(-4, 12)
(-4, -4)
(0, -6)

Answer 1

Vertex of x,
\[x=-\frac{b}{2a}\]

Answer 2

You get
x=-4

Now substitute this into y = x^2 + 8x + 12 to find y