ABSTRACT
The roots are complex if b2 − 4ac < 0, the roots are real if b2 − 4ac > 0, and the roots are real and repeated if b2 − 4ac = 0.
Dividing both sides of Equation 2.1 by a, where a = 0, we obtain
x2 + b a x + c
a = 0.
The roots are complex if b2 − 4ac < 0, the roots are real if b2 − 4ac > 0, and the roots are real and repeated if b2 − 4ac = 0.
Dividing both sides of Equation 2.1 by a, where a = 0, we obtain
x2 + b a x + c
a = 0.