SOLUTION: Find the vertex of the parabola y= -2x2 + 12x - 13

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Question 530678: Find the vertex of the parabola y= -2x2 + 12x - 13
Answer by oberobic(2304) About Me  (Show Source):
You can put this solution on YOUR website!
y = 2x^2 + 12x - 13
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The axis of symmetry is defined by x = -b/2a.
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-12/(2*2) = -3
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Set x= -3 and find y.
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2(-3)^2 +12(-3) -13 = 18 -36 -13 = -31
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The vertex is: (-3,-31)
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+graph%28500%2C500%2C-15%2C5%2C-40%2C40%2C2%2Ax%5E2%2B12%2Ax-13%29+