find both coordinates of the vertex of the parabola

g(x) = -2x^2 + 2x - 5
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1 Answer

g(x)=-2x2+2x-5,

g(x)=-2(x2-x)-5,

g(x)=-2(x2-x+¼-¼)-5,

g(x)=-2(x-½)2+½-5=-2(x-½)2-9/2,

g(x)+9/2=-2(x-½)2.

The vertex is at (½,-9/2).

by Top Rated User (1.2m points)

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