SOLUTION: find the vertex, y intercept and x intercept if any exist of f(x)=-xSQUARED+2x+8

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Question 250265: find the vertex, y intercept and x intercept if any exist of f(x)=-xSQUARED+2x+8
Answer by checkley77(12844)   (Show Source): You can put this solution on YOUR website!
f(x)=-x^2+2x+8
(graph 300x200 pixels, x from -6 to 5, y from -10 to 10,
-x^2 +2x +8).
Vertex=(1,9)
Y intercept=8
X intercepts=-2 & 4

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