Question

A quadratic equation ax^2+ bx + c = 0, a not equal to 0 has equal roots . what is the value of D?​

Answer 1

QUESTION:

A quadratic equation ax^2+ bx + c = 0, a not equal to 0 has equal roots . what is the value of D?

ANSWER:

If the roots are equal, the value of D is zero.

EXTRA ↓

If the roots are real but not equal, the value of D is greater than zero.

If the roots are non-real, the value of D is less than zero.