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10 questions from this quiz
D=b2−4acD = b^2 - 4acD=b2−4ac
Two distinct real roots
One real root (repeated)
Complex (conjugate pairs)
252525
−16-16−16
Two complex roots
D>0D > 0D>0
k<0k < 0k<0 or k>3k > 3k>3
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