| 1 |
In ax<sup>2</sup> + bx + c = 0, if b<sup>2</sup> - 4ac > 0 and perfect square the roots are: |
- A. rational
- B. irrational
- C. equal
- D. complex
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| 2 |
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- A. linear equation
- B. Quadraticequation
- C. cubicequation
- D. radicalequation
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| 3 |
For what value of k, the roots of the equation x<sup>2</sup> + √k x + 2 = 0 are equal: |
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| 4 |
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| 5 |
The other name of quadratic equation is: |
- A. linear equation
- B. 1st degree equation
- C. 2nd degree equation
- D. none
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| 6 |
The roots of the equation: |
- A. complex
- B. irrational
- C. rational
- D. none of these
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| 7 |
Solution set of the simultaneous equations : x + y = 1, x - y = 1 is: |
- A. {(0,0)}
- B. {(1,0)}
- C. {(0,1)}
- D. {(1,1)}
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| 8 |
If 4<sup>x</sup> = 2, then x equals: |
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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 |
Four fourth roots of 625 are: |
- A. ±5,±5i
- B. ±5,±25i
- C. ±25,±25i
- D. none of these
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