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# Punjab 10th Class Math Chapter 2 Theory of Quadratic Equation Mcqs Test Online

 Total Question 16 Questions Total Marks 32 Marks Total Time 16 Minuts
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### Test Name

 Ch.2 # Theory of Quadratic Equation

### Subject

 Mathematics (10th Class)

 MCQs

# Punjab 10th Class Math Chapter 2 Theory of Quadratic Equation Mcqs Test Online

6%

Question 1 of 16

## Math

1. If α, β are the roots of px² + qx + r = 0, then sum of the roots 2α and 2β is:
1.
2.
3.
4.

Question 1 of 16

Question 2 of 16

2. 1/α + 1/β is equal to:
1.
2.
3.
4.

Question 2 of 16

Question 3 of 16

3. Cube roots of –1 are
1.
2.
3.
4.

Question 3 of 16

Question 4 of 16

4. The discriminant of ax² + bx + c = 0 is
1.
2.
3.
4.

Question 4 of 16

Question 5 of 16

5. α² + β² is equal to:
1.
2.
3.
4.

Question 5 of 16

Question 6 of 16

6. Sum of the cube roots of unity is
1.
2.
3.
4.

Question 6 of 16

Question 7 of 16

7. Roots of the equation 4x² – 4x + 1 = 0 are
1.
2.
3.
4.

Question 7 of 16

Question 8 of 16

8. Roots of the equation 4x² – 5x + 2 = 0 are
1.
2.
3.
4.

Question 8 of 16

Question 9 of 16

9. If α, β are the roots of x² – x – 1 = 0, then product of the roots 2α and 2β is:
1.
2.
3.
4.

Question 9 of 16

Question 10 of 16

10. If α, β are the roots of 3x² + 5x – 2 = 0, then α + β is
1.
2.
3.
4.

Question 10 of 16

Question 11 of 16

11. The nature of the roots of equation ax² + bx + c = 0 is determined by:
1.
2.
3.
4.

Question 11 of 16

Question 12 of 16

12. Product of cube roots of unity is:
1.
2.
3.
4.

Question 12 of 16

Question 13 of 16

13. If α, β are the roots of 7x² – x + 4 = 0, then αβ is
1.
2.
3.
4.

Question 13 of 16

Question 14 of 16

14. If b² – 4ac < 0, then the roots of ax² + bx + c = 0 are
1.
2.
3.
4.

Question 14 of 16

Question 15 of 16

15. Tow square roots of unity are:
1.
2.
3.
4.

Question 15 of 16

Question 16 of 16

16. If b² – 4ac > 0, but not a perfect square then roots of ax² + bx + c = 0 are
1.
2.
3.
4.

Question 16 of 16

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