Question

If the discriminant of the quadratic equation ax² + bx + c = 0 is zero, then the roots of the equation 

A) are irrational and equal 

B) are rational and equal 

C) do not exist and real 

D) are real and equal

Answer 1

Correct option is (D) are real and equal

Given equation is \(ax^2+bx+c=0\)

If discriminant = 0

Then roots are real and equal.

Answer 2

Correct option is D) are real and equal