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OpenStudy (anonymous):
use the value of the discriminant to determine the number and type of roots for the equation x^2-3x+7=0 Is it, -2 comples roots -2 real roots -2 real, one rational or -1 real, irrational root
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OpenStudy (nory):
Discriminant is b^2 - 4ac. Find a and b and c, then use the expression for the discriminant.
OpenStudy (anonymous):
well i know its not 2 real roots
OpenStudy (nory):
No, you're right about that. So what does that mean about the number of real/imaginary roots?
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