what is the discriminant of ?
The Discriminant of an equation gives an idea of the number of roots and the nature of roots of the equation. If ax2 + bx + c = 0 is a quadratic equation, then the Discriminant of the equation, i.e. D = b2 - 4ac. More About Discriminant. If discriminant (D) is equal to 0 then the equation has one real solution.