Chapter 12: Class 10 Math Exam Tests

Class 10 Math MCQs - Chapter 12

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The Quiz: *1 ⁄ α + 1 ⁄ β is equal to;* "Roots of Quadratic Equations" App (iOS, Android) with answers: 1 ⁄ β; 1 ⁄ α; α + β ⁄ αβ; α - β ⁄ αβ; to learn online classes courses. Study Complex Cube Roots of Unity MCQ Questions, download Amazon eBook (Free Sample) for online certifications.

MCQ 11:

1 ⁄ α + 1 ⁄ β is equal to

- 1 ⁄ α
- 1 ⁄ β
- α + β ⁄ αβ
- α - β ⁄ αβ

c

MCQ 12:

The discriminant of 2x² + 5x - 1 is

- 25
- 30
- 33
- 35

c

MCQ 13:

The solution set of equation x² - 9 = 0 is

- {±4}
- {4}
- {±2}
- {±3}

d

MCQ 14:

When x is replaced by 1 ⁄ x and the given equation remains unchanged then it is said to be

- linear equation
- radical equation
- quadratic equation
- reciprocal equation

d

MCQ 15:

If α and β are the roots of 3x² + 5x - 2 = 0 then α + β should be

- 5 ⁄ 2
- −5 ⁄ 3
- 2 ⁄ 3
- 3 ⁄ 5

b

Introduction to Trigonometry MCQs

Geometry MCQs

Ratio, Proportions and Variations MCQs

Basic Statistics MCQs

3rd, 4th, Mean and Continued Proportion MCQs

Matrices and Determinants MCQs

Roots of Quadratic Equations MCQs

Algebraic Formulas and Applications MCQs

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