Quadratic Equations MCQ Test: Quiz!

15 Questions | Total Attempts: 3749

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Quadratic Equations MCQ Test: Quiz!

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Questions and Answers
  • 1. 
    The value of k for which equation  has equal roots is:
    • A. 

      Only 3

    • B. 

      Only -3

    • C. 

      ±3

    • D. 

      9

  • 2. 
    Which of the following is not a quadratic equation?
    • A. 
    • B. 
    • C. 
    • D. 
  • 3. 
    Which of the following is solution of the quadratic equation ?
    • A. 

      X = 2

    • B. 

      X = -12

    • C. 
    • D. 

      X = -3

  • 4. 
    The value of k for which x = -2 is a root of the quadratic equation :
    • A. 

      -1

    • B. 

      -2

    • C. 

      2

    • D. 

      -3/2

  • 5. 
    The value of p so that the equation  has no real root, is
    • A. 

      P > 8

    • B. 

      P < 5

    • C. 
    • D. 
  • 6. 
    If px2 + 3x + q = 0 has two roots x = -1 and x = -2, the value of q – q is:
    • A. 

      -1

    • B. 

      1

    • C. 

      2

    • D. 

      -2

  • 7. 
    The common root of the quadratic equation x2 – 3x + 2 = 0 and 2x2 – 5x + 2 = 0 is:
    • A. 

      X = 2

    • B. 

      X = 1

    • C. 

      X = -2

    • D. 

      X = 1/2

  • 8. 
    If x2 – 5x + 1 = 0, the value of (x × 1⁄x) is:
    • A. 

      -2

    • B. 

      -1

    • C. 

      1

    • D. 

      3

  • 9. 
    If a - 3 =  , the value of a are
    • A. 

      5,0

    • B. 

      5,2

    • C. 

      -5,2

    • D. 

      5,-2

  • 10. 
    If the roots of the quadratic equation  the value of k is:
    • A. 

      -1

    • B. 

      1

    • C. 

      2

    • D. 

      -2

  • 11. 
    The quadratic equation with real co-efficient whose one root is  is:
    • A. 
    • B. 
    • C. 
    • D. 
  • 12. 
    • A. 

      -7

    • B. 

      7

    • C. 

      4

    • D. 

      8

  • 13. 
    What is the value of k for the quadratic equation kx(x - 2) + 6 = 0 if the roots are equal?
    • A. 

      8

    • B. 

      -8

    • C. 

      -6

    • D. 

      6

  • 14. 
    The equation  has:
    • A. 

      Two distinct real roots

    • B. 

      Two equal roots

    • C. 

      No real roots

    • D. 

      None of the above

  • 15. 
    For an equation 2x2 – kx + 1 = 0, the roots are equal. The value of k is:
    • A. 
    • B. 
    • C. 
    • D.