| 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 |
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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| 3 |
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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| 4 |
If the sum of the roots of the equation kx<sup>2</sup> - 2x + 2k = 0 is equal to their product, then the value of k is: |
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| 5 |
Equations having a common solution are called: |
- A. linear
- B. quadratic
- C. homogeneous
- D. simultenaeous
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| 6 |
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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| 7 |
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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| 8 |
One of the roots of the equation 3x2 + 2x + k = 0 is the reciprocal of the other, then k = ...............: |
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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 |
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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