The equation below describes a parabola. If a is negative, which way does the

parabola open?

y = ax?

A. Down

B. Right

C. Left

Ο Ο

D. Up

The parabola will open going down.

Step-by-step explanation:

If the y is squared, it is horizontal (opens left or right). If a is positive, the parabola opens up or to the right. If it is negative, it opens down or to the left. The vertex is at (h, k).