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OpenStudy (anonymous):
Find the vertex of the quadratic equation: y = 2x^2 + 8x − 4
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OpenStudy (anonymous):
i think it is done usually by completing the square
OpenStudy (anonymous):
the vertex is given by (-b/2a , f(-b/a2) ) so it's (-2,f(-2))
OpenStudy (anonymous):
thank you
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