SOLUTION: Select the x-coordinate of the vertex of the parabola defined by the function f(x) = -7x2 + 9x + 8.

SOLUTION: Select the x-coordinate of the vertex of the parabola defined by the function f(x) = -7x2 + 9x + 8.

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Question 851052: Select the x-coordinate of the vertex of the parabola defined by the function f(x) = -7x2 + 9x + 8.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Select the x-coordinate of the vertex of the parabola defined by the function
f(x) = -7x2 + 9x + 8
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Vertex occurs where x = -b/(2a) = -9/(2*-7) = 9/14
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Cheers,
Stan H.
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