Question

What is the vertex of the function f(x) = x2 12x? (�6, �36) (�6, 0) (6, 0) (6, �36)

Answer 1

Explanation:

I'm assuming you mean x^2 + 12x

x^2 + 12x = (x + 6)^2 - 36

So the vertex is at (-6, -36).