Online multiple-choice questions about the Theory of Quadratic Equations Class 10 with Answers. The Quiz contains 20 MCQs from Chapter 2 of class 10 Mathematics. Let us start with the Theory of Quadratic Equations Quiz.

Online Multiple Choice Questions from Chapter 2 of 10th class mathematics “Theory of Quadratic Equations”

### Theory of Quadratic Equations 10 Class Mathematics

- If $\alpha$ and $\beta$ are the roots of $3x^2+5x-2=0$ then $\alpha + \beta$ is
- If $\alpha$ and $\beta$ are the roots of $7x^2-x+4=0$ then $\alpha\beta$ is
- The roots of the equation $4x^2-5x+2=0$ are
- Cube roots of $-1$ are
- The sum of the cube roots of unity is
- The product of cube roots of unity is
- If $b^2-4ac <0$ then the roots of $ax^2+bx+c=0$ are If $b^2-4ac>0$ but not a perfect square then roots of $ax^2+bx+c=0$ are
- $\frac{1}{\alpha} + \frac{1}{\beta}$ is equal to
- $\alpha^2+\beta^2$ is equal to
- Two square roots of unity are
- The roots of the equation $4x^2-4x + 1 =0$ are
- If $\alpha, \beta$ are the roots of $px^2+qx+r=0$ then sum of the roots $2\alpha$ and $2\beta$ is
- If $\alpha, \beta$ are the roots of $x^2-x-1=0$ then product of the roots $2\alpha$ and $2\beta$ is
- The nature of the roots of equation $ax^2+bx+c=0$ is determined by
- The discriminant of $ax^2+bx+c=0$ is
- If $b^2-4ac>0$ and is a perfect square then roots of $ax^2+bx+c=0$ are
- If $b^2-4ac=0$ then roots of $ax^2+bx+c=0$ are
- Discriminant of $2x^2 -7x+1=0$ is
- Discriminant of $x^2-3x+3=0$ is