Roots of Quadratic Equations Multiple Choice Questions 3 PDF Download

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Math multiple choice questions (MCQ) on 1⁄α + 1⁄β is equal to with options 1⁄β, 1⁄α, α + β⁄αβ and α - β⁄αβ, complex cube roots of unity quiz for competitive exam prep, viva interview questions with answers key. Free math study guide to learn complex cube roots of unity quiz to attempt multiple choice questions based test.

MCQs on Roots of Quadratic Equations Quiz PDF Download Worksheets 3

MCQ. 1⁄α + 1⁄β is equal to

  1. 1⁄α
  2. 1⁄β
  3. α + β⁄αβ
  4. α - β⁄αβ

C

MCQ. Discriminant of 2x² + 5x - 1 is

  1. 25
  2. 30
  3. 33
  4. 35

C

MCQ. Solution set of equation x² - 9 = 0 is

  1. {±4}
  2. {4}
  3. {±2}
  4. {±3}

D

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

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

D

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

  1. 5⁄2
  2. −5⁄3
  3. 2⁄3
  4. 3⁄5

B