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OpenStudy (anonymous):
Select all of the following that are quadratic equations. a. x^2- 2x= 4x+ 1 b. x^3- 6x^2+ 8 = 0 c. 5x- 3 = 0 d. 2x^2+ 12x= 0 e. 5x- 1 = 3x+ 8 f. 9x^2+ 6x- 3 = 0
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OpenStudy (anonymous):
i'm thinking a and f is one
OpenStudy (anonymous):
because of the formula..
OpenStudy (anonymous):
and b
OpenStudy (anonymous):
b and d
OpenStudy (anonymous):
b d f
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OpenStudy (anonymous):
only?
OpenStudy (anonymous):
ONLY B D AND F! (:
OpenStudy (anonymous):
yes because its written in standard form(:
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