Quadratic Equations MCQ Test: Quiz!

15 Questions | By Jagranjosh | Updated: Mar 22, 2022 | Attempts: 6369

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Quadratic Equations MCQ Test: Quiz! - 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.

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
4.

Which of the following is solution of the quadratic equation ?
- A.
  
  X = 2
- B.
  
  X = -12
- C.
- D.
  
  X = -3
5.

The value of k for which x = -2 is a root of the quadratic equation :
- A.
  
  -1
- B.
  
  -2
- C.
  
  2
- D.
  
  -3/2
6.

If a - 3 = , the value of a are
- A.
  
  5,0
- B.
  
  5,2
- C.
  
  -5,2
- D.
  
  5,-2
7.

The value of p so that the equation has no real root, is
- A.
  
  P > 8
- B.
  
  P < 5
- C.
- D.
8.

If the roots of the quadratic equation the value of k is:
- A.
  
  -1
- B.
  
  1
- C.
  
  2
- D.
  
  -2
9.

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
10.

If x² – 5x + 1 = 0, the value of (x × 1⁄x) is:
- A.
  
  -2
- B.
  
  -1
- C.
  
  1
- D.
  
  3
11.

If difference of roots of the quadratic equation x² – kx + 12 = 0 is 1, the positive value of k is:
- A.
  
  -7
- B.
  
  7
- C.
  
  4
- D.
  
  8
12.

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

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

The equation has:
- A.
  
  Two distinct real roots
- B.
  
  Two equal roots
- C.
  
  No real roots
- D.
  
  None of the above

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