| 1 |
Sum of all three cube roots of unity is: |
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| 2 |
The other name of quadratic equation is: |
- A. linear equation
- B. 1st degree equation
- C. 2nd degree equation
- D. none
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| 3 |
If a polynomial P(x) = x2 + 4x2 - 2x + 5 is divided by x - 1, then the reminder is: |
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| 4 |
Sum of all four fourth roots of unity is: |
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| 5 |
Four fourth roots of 625 are: |
- A. ±5,±5i
- B. ±5,±25i
- C. ±25,±25i
- D. none of these
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| 6 |
Sum of roots of ax<sup>2</sup> + bx + c = 0 is equal to product of roots only if: |
- A. a+c=0
- B. b+c=0
- C. a+b=0
- D. a+b+c=0
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| 7 |
If the roots of x<sup>2</sup> - bx + c = 0 are two consecutive integers, then: b<sup>2</sup> - 4ac = |
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| 8 |
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- A. c = 0
- B. b = 0, c = 0
- C.
- D.
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| 9 |
3<sup>2x</sup> - 3<sup>x</sup> - 6 = 0 is: |
- A. reciprocal equation
- B. exponentialequation
- C. radicalequation
- D. none of these
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| 10 |
If 4<sup>x</sup> = 2, then x equals: |
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