And divide by 2a we get. The discriminant tells the nature of the roots. How did you fill in the quadratic formula.
When a b and c are real numbers a 0 and the discriminant is positive then the roots a and v of the quadratic equation ax 2 bx c 0 are real and unequal.
X b b2 4ac 2a Quadratic Formula. The discriminant shows the nature of roots that an equation has. The roots are real and unequalAlso i If b 2 4ac is a perfect square the roots are. Using the Quadratic Formula.