You can put this solution on YOUR website! i need to find the vertex coordinates of y=x^2-x-12
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Vertex occurs where x = -b/(2a) = 1/2
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f(1/2) = (1/2)^2-(1/2)-12 = -1/4-12 = -49/4
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Vertex: (1/2) -49/4)
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Cheers,
Stan H.