June 9, 2026

Competitive Wisdom

Quadratic Equation MCQ for Class 10 – 50 Practice Questions with Answers & Explanations

Quadratic equations are one of the most important and scoring chapters in Class 10 Mathematics. To master this topic, students need regular practice, clear understanding of concepts, and exposure to different types of exam-oriented questions.

This Quadratic Equation MCQ mock test is specially created for Class 10 students who want to strengthen their fundamentals and improve their exam confidence. The questions are carefully aligned with the Class 10 syllabus, and designed in the MCQ pattern followed in board exams and competitive tests.

This helps students not only check their answers but also understand why a particular option is correct.

Take the Mock Test Now!

Whether you are preparing for:

This test follows the Multiple-Choice Question (MCQ) format, similar to what you will encounter in the actual entrance exams. It will help you:

  • School exams
  • Board exams
  • Scholarship or entrance tests

this quadratic equation MCQ practice set will help you revise effectively and avoid common mistakes.

1. 
The equation (x − 5)(x + 2) = 0 has roots:

2. 
The roots of the equation x² = 5x are:

3. 
For which value of k does x² + kx + 9 = 0 have equal roots?

4. 
For which value of k does x² + 2kx + 9 = 0 have equal roots?

5. 
If D < 0, roots are:

6. 
If one root of x² + 4x + p = 0 is 2, then p is:

7. 
The product of roots of x² − 7x + 10 = 0 is:

8. 
The standard form of a quadratic equation is:

9. 
The sum of roots of x² + 6x + 5 = 0 is:

10. 
The quadratic formula is:

11. 
The value of discriminant for x² − 4x + 4 = 0 is:

12. 
If roots of x² + 7x + 12 = 0 are α and β, then αβ is:

13. 
Number of real roots of x² − 2x − 3 = 0:

14. 
Roots of x(x − 4) = 0 are:

15. 
Solve: x² + 5x + 6 = 0

16. 
Which of the following is a quadratic equation?

17. 
Which method is best for x² − 3x − 10 = 0?

18. 
How many real roots does x² + 6x + 25 = 0 have?

19. 
The equation x² − 9x + 20 = 0 factors to:

20. 
The quadratic formula is:

21. 
If the sum of the roots of x² + ax + 8 = 0 is 6, then a is:

22. 
If D = 0 for ax² + bx + c = 0, then the roots are:

23. 
The roots of x² − 10x + 24 = 0 are:

24. 
The product of the roots of x² − 8x + 15 = 0 is:

25. 
Nature of roots when discriminant is zero:

26. 
What is the smaller root of x² − 5x + 6 = 0?

27. 
If one root of x² − 5x + 6 = 0 is 2, the other root is:

28. 
The value of ‘a’ in quadratic equation ax² + 5x + 1 = 0 cannot be:

29. 
Quadratic equation formed if roots are 3 and −5 is:

30. 
Roots of x² − 1 = 0 are:

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