Question

What is the nature of roots of the quadratic equation if the discriminant is 4.

• A. Two distinct real roots
• B. Two equal roots
• C. No real roots
• D. Can't determine

Answer 1

The correct option is A Two distinct real roots

$D=b^2-4ac$
(i) $D>0$, two distinct real roots
(ii) $D=0,$ two equal roots
(iii) $D<0,$ No real toots

$4>0$. Therefore, two distinct real roots.