| 1 |
For what value of k, the roots of the equation x<sup>2</sup> + √k x + 2 = 0 are equal: |
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| 2 |
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- A. linear equation
- B. Quadraticequation
- C. cubicequation
- D. radicalequation
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| 3 |
Which one is exponential equation: |
- A. ax<sup>2</sup> + bx + c = 0
- B. ax + b = 0
- C.
- D. 2<sup>x</sup> = 16
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| 4 |
A numbers exceeds its square root by 6, the number is: |
- A. 6
- B. 3
- C. 9
- D. none of these
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| 5 |
The ration of the sum and product of roots of 7x<sup>2</sup> - 12x + 18 = 0 is: |
- A. 7:12
- B. 2:3
- C. 3:2
- D. 7:18
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| 6 |
One of the roots of the equation 3x2 + 2x + k = 0 is the reciprocal of the other, then k = ...............: |
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| 7 |
Sum of all three cube roots of unity is: |
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| 8 |
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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| 9 |
If the sum of the roots of ax<sup>2</sup> - (a + 1) x + (2a + 1) = 0 is 2, then the product of the roots is: |
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| 10 |
If α, ß are complex cube roots of unity, then 1 + α<sup>n</sup> + ß<sup>n</sup> = .......... where n is a positive integer divisible by 3: |
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