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OpenStudy (anonymous):
Select all of the following that are quadratic equations. 7x2 + 14x = 0 x3 - 3x2 + 1 = 0 5x - 7 = 0 x2 + 3x -5 = 0 x - 5 = 9x + 7 x2 - x = 3x + 7
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OpenStudy (anonymous):
\[ax^2+bx+c=0 \] that is a quadratic; quadratic pertains to squares
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