Question

The nature of the roots of a quadratic equation is determined by the:

• A. coefficient of a, b
• B. discriminant
• C. coefficient of a, b, c
• D. coefficient of b, c

Answer 1

The correct option is B discriminant

Discriminant $D=b^2-4ac$

$D>0$, Real and Distinct roots

$D=0$, Real and Equal roots

$D<0$, Imaginary roots