# Roots of Quadratic Equations Multiple Choice Questions and Answers 4 PDF Download

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

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