| 1 |
Two consecutive odd integers are: |
- A. x and (x + 2)
- B. (x + 1) and (x + 3)
- C. 2x, (2x + 2)
- D. (2x + 1) and (2x + 3)
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| 2 |
The solution set for a quadratic equation x<sup>2</sup> -8x + 15 is |
- A. (3, 5)
- B. (-3, -5)
- C. (3, -5)
- D. (-5, 3)
|
| 3 |
If 3<sup>2x</sup> + a = 10 3<sup>x</sup> in transformed from is y<sup>2</sup> + 9 = 10y, then the transformation is: |
- A. 3<sup>2x</sup> = y
- B. 3<sup>x</sup> = y
- C. 1/3<sup>x</sup> = y
- D. None of these
|
| 4 |
Solution set of equations 4x + 5y = 40 and 3x + 2y = 23 is: |
- A. { (4,5) }
- B. { (5, 4) }
- C. { (-5, 4) }
- D. { -4, -5) }
|
| 5 |
90.5% in common fraction: |
- A. 0.9
- B. 10/9
- C. 9/10
- D. 181/200
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| 6 |
Simultaneous equations can be solved in ways. |
|
| 7 |
The roots of quadratic equation will be imaginary if b<sup>2</sup> - 4ac is |
- A. 0
- B. -ve
- C. +ve
- D. Greater than zero
|
| 8 |
In quadratic equation the variable has degree: |
- A. 1
- B. 2
- C. More than 2
- D. Less than 2
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| 9 |
Equation of the form ax<sup>4</sup> + bx<sup>3</sup> + bx + a is: |
- A. Polynomial
- B. Reciprocal
- C. Irrational
- D. None of these
|
| 10 |
System of simultaneous equations is solved by: |
- A. Factorization
- B. Subtraction of addition
- C. Substitution
- D. Both b and c
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