Mathematics
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What is the discriminant of the quadratic equation 0 = –x^2 + 4x – 2? –4 8 12 24

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(1) Answers
lexii23

from this equation :  a: the coefficient of x^2 & b: the coefficient of x  & c: the last term  so a=-1 ; b=4 ; c=-2; discriminant = b^2 -4*a*c  = (4)^2 -4(-1)(-2) = 8 

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