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Mathematics 7 Online
OpenStudy (anonymous):

closed

OpenStudy (alekos):

are you familiar with the quadratic formula?

OpenStudy (alekos):

the roots are [-b +- sqrt(b^2-4ac)]/2a for ax^2+bx+c =0

OpenStudy (alekos):

a=1, b=1 and c=5 it's not A

OpenStudy (anonymous):

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