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OpenStudy (lisa100):
PLEASE HELP, big test tomorrow!! given: h(x)=185x-4x^2, find the vertex
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OpenStudy (anonymous):
first coordinate of the vertex is always \(-\frac{b}{2a}\) which in your case is \(-\frac{185}{2\times(-8)}\) whatever that is
OpenStudy (anonymous):
second coordinate is what you get when you replace \(x\) by the answer above
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