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OpenStudy (anonymous):
Find the vertex of the quadratic equation: y = 2x^2 + 12x - 4. (-3, -22) (3, 50) (-3, 50) (-3, -58)
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sam (.sam.):
Complete the square, y= 2x^2 + 12x - 4 y= 2(x^2 + 6x) - 4 y= 2(x+3)^2-9(2) - 4 y= 2(x+3)^2-22 Vertex at (-3,-22)
OpenStudy (anonymous):
Thank you
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