SOLUTION: find the axis of the graph of the function F(X)=(X+9)^2 - 1

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Question 364032: find the axis of the graph of the function
F(X)=(X+9)^2 - 1
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
F%28X%29=%28X%2B9%29%5E2+-+1+. This is vertex-form equation of a parabola with vertex at (-9, -1) with axis of symmetry parallel to the y-axis. Thus the axis of symmetry is x = -9.