SOLUTION: How do I find the vertex and line of symmetry of f(x)=-3(x+2)^2?

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Question 455107: How do I find the vertex and line of symmetry of f(x)=-3(x+2)^2?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
vertex =(-2,0)
so axis is located at x=-2