If the value of the discriminant of a quadratic equation is $D = 0$,then the value of each root is .... .

  • A
    $\frac{b}{2a}$
  • B
    $\frac{2b}{a}$
  • C
    $\frac{-b}{2a}$
  • D
    $\frac{-2b}{a}$

Explore More

Similar Questions

Find the discriminant of the following quadratic equation and hence determine the nature of the roots of the equation: $x^{2}+5x+5=0$

Examine whether the following equation is quadratic or not: $(x-3)(2x+1) = x(x+5)$

What is the value of $k$ if one of the roots of the quadratic equation $x^{2} + 6x + k = 0$ is $-4$?

The symbol used for the discriminant of a quadratic equation is $\ldots \ldots \ldots \ldots .$

Verify whether the given value of $x$ is a solution of the quadratic equation or not: $4 \sqrt{3} x^{2} + 5 x - 2 \sqrt{3} = 0$; $x = \frac{\sqrt{3}}{4}$.

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo