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MCQ Class 10 Mathematics Quadratic Equations Nature of Roots

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1. There will be total 30 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. The quadratic equation 2x2 - 3x + 5 = 0 has

Your comments:

Question 1 of 30

2. The real roots of a quadratic equation 3612_image033 are given by  3612_image034 if

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Question 2 of 30

3. The solutions of the quadratic equation 3606_ma501 are

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Question 3 of 30

4. The value of 3584_image001 for equation 3584_image002

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Question 4 of 30

5. Which of the following is not a quadratic equation?

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Question 5 of 30

6. For what value(s) of k will the equation kx2-5x+k=0 have a repeated root?

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Question 6 of 30

7. A real number is said to be a root of ax2+bx+c =0

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Question 7 of 30

8. 188956_MM_1431

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Question 8 of 30

9. -3 is a root of the quadratic equation 2x2 +px - 15 = 0. For what value of q , the equation p(x2 + x ) + q= 0 has equal roots?

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Question 9 of 30

10. The roots of x2 - 8x + 12 = 0, are

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Question 10 of 30

11. If 206599_image037 is a root of the equation x2+kx - 206599_image039=0, then the other root of the quadratic equation is

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Question 11 of 30

12. The sum of the ages of two friends is 20 years. Four years ago, the product of their ages in years was 48. Find their present ages

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Question 12 of 30

13. The nature of the roots of following quadratic equation
3613_image036

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Question 13 of 30

14. If the equation px2 – 6x – 2 = 0 has real roots then, ________

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Question 14 of 30

15. The positive value of k, for which both equations: x2 + kx + 64 = 0 and x2 - 8x + k = 0 have real roots is________

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Question 15 of 30

16. If one root of a Quadratic equation is m + , then the other root is

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Question 16 of 30

17. The positive value of k, for which both equations: x2 + kx + 64 =0 and x2 - 8x + k =0 have real roots is___________

40

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Question 17 of 30

18. If the value of the Discriminant function of a quadratic equation is D = 27, then its roots are

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Question 18 of 30

19. If the equation px2 - 6x - 2 = 0 has real roots then, ________

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Question 19 of 30

20. Write the condition, when given quadratic equation has real and distinct roots

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Question 20 of 30

21. Comment on the nature of the roots of the equation showimage

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Question 21 of 30

22. The roots of the equation x2 - 3x - m (m + 3) = 0, where m is a constant, are

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Question 22 of 30

23. If the equation 9x2 – 6x + c = 0 has equal roots then, the value of c is

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Question 23 of 30

24. If -3 is a root of both the Quadratic equations 2x2 + px - 15 = 0, and p(x2 + x) + q = 0, then the value of q if the equation containing it has equal roots is.

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Question 24 of 30

25. If a,b,c are real and b2-4ac >0 then roots of equation are

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Question 25 of 30

26. The quadratic equation whose roots are real and equal is:

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Question 26 of 30

27. Write the condition, when given quadratic equation has no real roots.

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Question 27 of 30

28. Which of the following equations has two distinct real roots?

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Question 28 of 30

29. If the equation 16088_9d9b7e3f1f0640d7b054ef9df3332646 = 0 has equal roots then, the value of c is

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Question 29 of 30

30. Which of the following is a solution of the quadratic equation 3604_image001 

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Question 30 of 30

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