SOLUTION: graph the function using its vertex, axis of symmetry, and intercepts f(x)=-4x^2-24x

SOLUTION: graph the function using its vertex, axis of symmetry, and intercepts f(x)=-4x^2-24x

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Question 1030767: graph the function using its vertex, axis of symmetry, and intercepts
f(x)=-4x^2-24x
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
Easiest to first find the x-axis intercepts.

x intercepts are 0 and -6.

The middle value between them is -3, which means the symmetry axis is .

To complete the vertex, what is f(-3)?
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