SOLUTION: My question is write the quadratic equation in vertex form. give the coordinates of the vertex and the equation of the azis of symmetry y=-6x2-72x-221

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Question 259275: My question is write the quadratic equation in vertex form. give the coordinates of the vertex and the equation of the azis of symmetry
y=-6x2-72x-221
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
y=-6x%5E2-72x-221=-6%28x%5E2%2B12x%2B36%29-221%2B216
y=-6x%5E2-72x-221=+-6%28x%2B6%29%5E2-5+
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Vertex : (-6,-5)
Axis : x=-6