Answer: -1 Step By Step Explanation: Vertex Form is y=a(x-h)^2+k In place of the A is a negative sign, since the negative sign is alone there will always be an imaginary one right behind it. So A would be -1. Log in to Reply

Answer:

-1

Step By Step Explanation:

Vertex Form is y=a(x-h)^2+k

In place of the A is a negative sign, since the negative sign is alone there will always be an imaginary one right behind it.

So A would be -1.