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OpenStudy (anonymous):
what is the vertex of y=-3x^2+12x-7
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OpenStudy (anonymous):
First compare y=-3x^2+12x-7 with general quadratic equation y = ax^2+bx+c Find out a = ---- ? b = --- ? c = ---- ? can you try ?
OpenStudy (anonymous):
http://www.wolframalpha.com/input/?i=y%3D-3x%5E2%2B12x-7 this link should help
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