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OpenStudy (anonymous):
Find the vertex of the parabola formed by the following quadratic function: y=x^2-8x+8 a.)(8,8) b.)(-8,136) c.)(4,-8) d.)(-4,56)
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OpenStudy (btaylor):
The x-coordinate of the vertex of a parabola is -b/2a, here 8/2 = 4. So the answer must be C.
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