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OpenStudy (anonymous):
Select all of the following that are quadratic equations. 1.32- 2x= 2x+ 5 2. 6x2+ 15x= 0 3. x3- 3x2+ 1 = 0 4. 9x- 2 = 0 5. 7x2+ 5x- 2 = 0 6. 5x- 1 = 2x+ 7
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OpenStudy (anonymous):
quadratic equation are always second degree equation meaning it is always x^2 so the answer is the second one
OpenStudy (anonymous):
only the second one?
OpenStudy (anonymous):
sorry its supposed to be 2,3 and 5 :)
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