# MCQs Theory of Quadratic Equation class 10 2

Online Multiple Choice Questions about Theory of Quadratic Equations 10th Class Mathematics Chapter 2

1. If the roots of a quadratic equation are rational and distinct then the discriminant is

2. If the roots of a quadratic equation equal then the discriminant is

3. If the roots of a quadratic equation are irrational and distinct then the discriminant is

4. The roots of $x^2+8x+16=0$ are

5. If for a quadratic equation, $b^2-4ac=-47$ then the roots are

6. If the roots of a quadratic equation are real, rational, and unequal then the possible value of the discriminant is

7. If for a quadratic equation $b^2 – 4ac=49$ then the roots are real and

8. If $1, \omega, \omega^2$ are cube roots of unity, then $1+\omega=$

9. If the roots of a quadratic equation are real and distinct then the discriminant is

10. If $\omega$ and $\omega^2$ are complex cube roots of unity, then $\omega \cdot \omega^2=$?

11. If the roots of a quadratic equation are imaginary and unequal, the possible value of the discriminant is

12. If $\omega = \frac{-1 – \sqrt{-3}}{2}$ then $\omega^2=$?

13. If the roots of a quadratic equation are real, irrational, and unequal, then the possible value of the discriminant is

14. If for a quadratic equation $b^2-4ac=0$ then roots are

15. If the roots of a quadratic equation are real, rational, and equal, then the possible value of the discriminant is

16. If $1, \omega, \omega^2$ are cube roots of unity, then $1+\omega + \omega^2=$

17. If the roots of a quadratic equation are imaginary then the discriminant is

18. Which of the following is a true description of the nature of the roots of a quadratic equation?

19. $\omega^4=$?

20. If for a quadratic equation, $b^2-4ac=205$ then the roots are

### Theory of Quadratic Equation Class 10 Mathematics

• The roots of $x^2+8x+16=0$ are
• If the roots of a quadratic equation equal then the discriminant is
• If the roots of a quadratic equation are imaginary then the discriminant is
• If the roots of a quadratic equation are real and distinct then the discriminant is
• If the roots of a quadratic equation are rational and distinct then the discriminant is
• If the roots of a quadratic equation are irrational and distinct then the discriminant is
• If for a quadratic equation $b^2 – 4ac=49$ then the roots are real and
• If for a quadratic equation, $b^2-4ac=-47$ then the roots are
• If for a quadratic equation $b^2-4ac=0$ then roots are
• If for a quadratic equation, $b^2-4ac=205$ then the roots are
• Which of the following is a true description of the nature of the roots of a quadratic equation?
• If the roots of a quadratic equation are real, rational, and equal, then the possible value of the discriminant is
• If the roots of a quadratic equation are real, rational, and unequal then the possible value of the discriminant is
• If the roots of a quadratic equation are real, irrational, and unequal, then the possible value of the discriminant is
• If the roots of a quadratic equation are imaginary and unequal, the possible value of the discriminant is
• If $\omega = \frac{-1 – \sqrt{-3}}{2}$ then $\omega^2=$?
• If $\omega$ and $\omega^2$ are complex cube roots of unity, then $\omega \cdot \omega^2=$?
• $\omega^4=$?
• If $1, \omega, \omega^2$ are cube roots of unity, then $1+\omega + \omega^2=$
• If $1, \omega, \omega^2$ are cube roots of unity, then $1+\omega=$

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