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OpenStudy (anonymous):
Identify the vertex for the graph of y = −2x2 − 12x + 5. (3, −13) (−3, −13) (−3, 23) (3, 23)
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OpenStudy (lalaly):
(-3,23)
OpenStudy (anonymous):
vertex given by \[-\frac{b}{2a}=-\frac{-12}{2\times -2}=-3\]
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