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OpenStudy (anonymous):
what is the vertex form for:y=-2x^2+12x-18 ?
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jimthompson5910 (jim_thompson5910):
x = -b/(2a) x = -12/(2(-2)) x = 3 Plug this into the equation to find y. Tell me what you get.
OpenStudy (anonymous):
I suggest to reorder the equation
OpenStudy (anonymous):
by completing squares
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