Question

Identify the vertex for the graph of y = −3x2 − 6x + 4.

(1, 13)

(−1, 13)

(1, 7)

(−1, 7)

Answer 1

@SmoothMath help me

Answer 2

Do you have a idea of differentiation or give you a general result?

Answer 3

are you doing derivatives? or just plain quadratic equations?

Answer 4

I don't know how to do this

Answer 5

have you done "completing the square" to get a perfect square trinomial yet?

Answer 6

http://www.youtube.com/watch?v=xGOQYTo9AKY