SOLUTION: In dealing with quadratic equations, how do we determine wheather the solutions are real or complex?

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Question 149386: In dealing with quadratic equations, how do we determine wheather the solutions are real or complex?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
the value of the discriminant (b^2-4ac) indicates the nature of the roots

(b^2-4ac)>0 __ 2 real roots

(b^2-4ac)=0 __ 1 real root __ actually a double root; two roots with the same value

(b^2-4ac)<0 __ 2 complex roots