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
Verify whether the given value of $x$ is a solution of the quadratic equation or not: $\frac{x+1}{x-1} - \frac{x-1}{x+1} = \frac{5}{6}, x = 5$
Easy
View SolutionFind the discriminant of the following quadratic equation and hence determine the nature of the roots of the equation: $x^{2}-2x-15=0$.
Easy
View SolutionIf one of the roots of quadratic equation $x^{2}+4x+m=0$ is $2$,then the other root is .... .
Easy
View SolutionExamine whether the following equation is quadratic or not: $7x = 2x^2$.
Easy
View SolutionFind the discriminant of the following quadratic equation and hence determine the nature of the roots of the equation: $5x^{2} - 4\sqrt{5}x + 4 = 0$.
Easy
View SolutionVedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo