Class 10 Math MCQs - Chapter 12
Roots of Quadratic Equations Trivia Questions & Answers PDF Download - 4
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Roots of Quadratic Equations Test Questions and Answers PDF Download: MCQ 4
Nature of the roots depends on the value of b² - 4ac is known as
- discriminant
- square root
- quadratic formula
- completing square method
An equation involving expression under the radical sign is known as
- linear equation
- radical equation
- quadratic equation
- complex equation
Standard form of quadratic equation is
- ax + bx + c = 0
- ax² + bx + c = 0
- ax² + bx - c = 0
- ax² + bx + c = −1
A root of an equation, which do not satisfy the equation is called
- square root
- reflective root
- extraneous root
- complex root
If b² - 4ac > 0, and perfect square, then roots of ax² + bx + c = 0 are
- irrational
- imaginary
- rational
- equal
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