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Mischa wrote the quadratic equation 0=_x2+4x-7 in standard form. If a = -1, what is the value of c in her equation?
C=-7
C= 1
c=4
c=7

Mischa wrote the quadratic equation 0x24x7 in standard form If a 1 what is the value of c in her equation C7 C 1 c4 c7 class=