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

  1. discriminant
  2. square root
  3. quadratic formula
  4. completing square method


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

  1. linear equation
  2. radical equation
  3. quadratic equation
  4. complex equation


MCQ: Standard form of quadratic equation is

  1. ax + bx + c = 0
  2. ax² + bx + c = 0
  3. ax² + bx - c = 0
  4. ax² + bx + c = −1


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

  1. square root
  2. reflective root
  3. extraneous root
  4. complex root


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

  1. irrational
  2. imaginary
  3. rational
  4. equal