| 1 |
No. of ways of solving a quadratic equation: |
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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 |
How many complex cube roots of unity are there: |
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| 4 |
For what value of k, the sum of the roots of the equation x<sup>2</sup> + kx + 4 = 0 is equal to the product of its roots: |
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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 |
If α, ß are the roots of x<sup>2</sup> + kx + 12=0 such that α-ß = 1 then K = : |
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| 7 |
The roots of the equation: |
- A. complex
- B. irrational
- C. rational
- D. none of these
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| 8 |
If P(x) is a polynomial of degree m and Q(x) is a polynomial of degree n, the product P(x) . Q(x) will be a polynomial of degree: |
- A. m . n
- B. m - n
- C. m + n
- D. m × n
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| 9 |
The other name of quadratic equation is: |
- A. linear equation
- B. 1st degree equation
- C. 2nd degree equation
- D. none
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| 10 |
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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