Punjab 10th Class Math Chapter 2 Theory of Quadratic Equation Mcqs Test Online Math Chapter 2 Theory of Quadratic Equation Mcqs Test Online 10th Grade Punjab Boards 12345678910111213141516Show paginator Hide paginator 6% Question 1 of 16Math 1. Roots of the equation 4x² – 4x + 1 = 0 are 1.Real, equal 2.Irrational3.Imaginary 4.Real, unequal Question 1 of 16Question 2 of 16 2. α² + β² is equal to: 1.1/α² + 1/β² 2.α + β3.α² – β² 4.(α + β)² – 2αβ Question 2 of 16Question 3 of 16 3. Roots of the equation 4x² – 5x + 2 = 0 are 1.Imaginary 2.None of these3.Irrational 4.Rational Question 3 of 16Question 4 of 16 4. Cube roots of –1 are 1.– 1, – ω, – ω² 2.– 1, ω, – ω² 3.1, – ω, – ω²4.– 1, – ω, ω² Question 4 of 16Question 5 of 16 5. If b² – 4ac < 0, then the roots of ax² + bx + c = 0 are 1.Imaginary 2.None of these3.Rational 4.Irrational Question 5 of 16Question 6 of 16 6. The discriminant of ax² + bx + c = 0 is 1.– b² + 4ac 2.b² + 4ac 3.– b² – 4ac 4.b² – 4ac Question 6 of 16Question 7 of 16 7. If b² – 4ac > 0, but not a perfect square then roots of ax² + bx + c = 0 are 1.Imaginary 2.Irrational 3.Rational 4.None of theseQuestion 7 of 16Question 8 of 16 8. Product of cube roots of unity is: 1.3 2.1 3.–1 4.0 Question 8 of 16Question 9 of 16 9. Sum of the cube roots of unity is 1.–1 2.33.1 4.0 Question 9 of 16Question 10 of 16 10. If α, β are the roots of 3x² + 5x – 2 = 0, then α + β is 1.3/5 2.–2/3 3.5/4 4.–5/3 Question 10 of 16Question 11 of 16 11. Tow square roots of unity are: 1.1, ω 2.1, – 1 3.ω, ω²4.1, – ω Question 11 of 16Question 12 of 16 12. If α, β are the roots of 7x² – x + 4 = 0, then αβ is 1.7/4 2.–4/7 3.4/7 4.–1/7 Question 12 of 16Question 13 of 16 13. The nature of the roots of equation ax² + bx + c = 0 is determined by: 1.Discriminant2.Product of the roots 3.Synthetic division 4.Sum of the roots Question 13 of 16Question 14 of 16 14. If α, β are the roots of x² – x – 1 = 0, then product of the roots 2α and 2β is: 1.–2 2.–43.4 4.2 Question 14 of 16Question 15 of 16 15. 1/α + 1/β is equal to: 1.1/α – 1/β 2.1/α 3.α+β/αβ4.α – β/αβ Question 15 of 16Question 16 of 16 16. If α, β are the roots of px² + qx + r = 0, then sum of the roots 2α and 2β is: 1.–2q/p 2.–q/p 3.r/p 4.q/–2pQuestion 16 of 16 Loading... Test By Subject Punjab Test By Topics 10th Class Math You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.