Question

Find the vertex of the parabola whose equation is y = -2x^2 + 8x - 5.

Answer 1

X=-b/2a
X=-8/2*-2
X=2

Y=-2(2)^2+8(2)-5
Y=3

The vertex is (2,3)

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Answer 2

Rewrite in standard form and use this form to find the vertex (h,k)h,k.(2,3) 

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