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OpenStudy (anonymous):
Which equation is a quadratic equation? Choose one answer. a. y = 2x(5 − x) + 7x b. y = 8x + 2 c. y + x^22 = (x − 2)(x + 8) d. y − 7x = (x^2 + 1)(x − 3)
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OpenStudy (anonymous):
A.
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