| 1 |
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: |
|
| 2 |
A numbers exceeds its square root by 6, the number is: |
- A. 6
- B. 3
- C. 9
- D. none of these
|
| 3 |
The other name of quadratic equation is: |
- A. linear equation
- B. 1st degree equation
- C. 2nd degree equation
- D. none
|
| 4 |
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: |
|
| 5 |
Equations having a common solution are called: |
- A. linear
- B. quadratic
- C. homogeneous
- D. simultenaeous
|
| 6 |
|
|
| 7 |
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
|
| 8 |
|
- A. c = 0
- B. b = 0, c = 0
- C.
- D.
|
| 9 |
|
|
| 10 |
If 4<sup>x</sup> = 2, then x equals: |
|
