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OpenStudy (anonymous):
Find the vertex of the quadratic equation: y = 2x2 + 8x - 4.
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OpenStudy (anonymous):
identify your a and b in ax^2 + bx + c . your x-coordinate of your vertex is -b/2a. your y-coordinate is obtained by 2(-b/2a)^2 + 8(-b/2a) -4.
OpenStudy (anonymous):
K thx
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