Roots of Quadratic Equation

• real, rational and equal roots

• real, rational and unequal roots

• real, irrational and unequal roots

• imaginary roots

• real, rational and equal roots

• real, rational and unequal roots

• real, irrational and unequal roots

• imaginary roots

A quadratic equation has two real roots when the discriminant is ___________.

If the discriminant of the quadratic equation is less than 0, then ____________.

If b² − 4ac = 0, then the quadratic equation has __________________________.