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Mathematics 8 Online
OpenStudy (anonymous):

Select all of the following that are quadratic equations. a. 3x^2+ 5x- 7 = 0 b. x^3- 2x^2+ 1 = 0 c. 2x- 1 = 0 d. 5x^2+ 15x= 0 e. 6x- 1 = 4x+ 7 f. x^2- 4x= 4x+ 7

OpenStudy (anonymous):

do you know about quadratic formula?

OpenStudy (anonymous):

nop

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