| 1 |
If the Discriminant of a quadratic equation is a perfect square, then roots are: |
- A. real and equal
- B. complex
- C. rational
- D. irrational
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| 2 |
For what value of k, the roots of the equation x<sup>2</sup> + √k x + 2 = 0 are equal: |
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| 3 |
Sum of all three cube roots of unity is: |
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| 4 |
How many complex cube roots of unity are there: |
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| 5 |
Solution set of the equation x<sup>2</sup> - 3x + 2 = 0 is |
- A. {-1, 2}
- B. {1, -2}
- C. {-1, -2}
- D. {1, 2}
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| 6 |
Which one is radical equation: |
- A. ax<sup>2</sup> + bx + c
- B. ax + b = 0
- C.
- D. 2<sup>x</sup> = 16
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| 7 |
One of the roots of the equation 3x2 + 2x + k = 0 is the reciprocal of the other, then k = ...............: |
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| 8 |
Equations having a common solution are called: |
- A. linear
- B. quadratic
- C. homogeneous
- D. simultenaeous
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| 9 |
The roots of the equation 25x<sup>2</sup> - 30x + 9 = 0 are; |
- A. rational
- B. irrational
- C. equal
- D. complex
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| 10 |
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- A. linear equation
- B. Quadraticequation
- C. cubicequation
- D. radicalequation
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