# Roots of Quadratic Equations Multiple Choice Questions 4 PDF Download

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Math multiple choice questions (MCQ) on nature of roots depends on value of b² - 4ac is known as with options square root, discriminant, quadratic formula and completing square method, discriminant quiz for competitive exam prep, viva interview questions with answers key. Free math study guide to learn discriminant quiz to attempt multiple choice questions based test.

## MCQs on Roots of Quadratic Equations Quiz PDF Download Worksheets 4

MCQ. Nature of roots depends on value of b² - 4ac is known as

- discriminant
- square root
- quadratic formula
- completing square method

A

MCQ. An equation involving expression under radical sign is known as

- linear equation
- radical equation
- quadratic equation
- complex equation

B

MCQ. Standard form of quadratic equation is

- ax + bx + c = 0
- ax² + bx + c = 0
- ax² + bx - c = 0
- ax² + bx + c = −1

B

MCQ. A root of an equation, which do not satisfy equation is called

- square root
- reflective root
- extraneous root
- complex root

C

MCQ. If b² - 4ac >0, and perfect square, then roots of ax² + bx + c = 0 are

- irrational
- imaginary
- rational
- equal

C