| 1 |
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)
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| 2 |
Aa<sup>x</sup> + Ba<sup>-x</sup> = C is a standard form of |
- A. Exponential equation
- B. Linear equation
- C. Quadratic equation
- D. Reciprocal equation
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| 3 |
A linear equation always has: |
- A. Three roots
- B. Two roots
- C. One root
- D. No root
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| 4 |
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
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| 5 |
In quadratic equation the variable has degree: |
- A. 1
- B. 2
- C. More than 2
- D. Less than 2
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| 6 |
B<sup>2</sup> - 4ac in a quadratic formula is called |
- A. Nature of root
- B. Discriminant
- C. Solution set
- D. Extraneous root
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| 7 |
Factorization is one of the method use to solve: |
- A. ax + b = 0
- B. ax2 + bx + C = 0
- C. ax3 + bx + c = 0
- D. None of these
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| 8 |
A linear equation consist of roots |
- A. One
- B. Two
- C. Zero
- D. Three
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| 9 |
Solution set of equations 4x + 5y = 40 and 3x + 2y = 23 is: |
- A. { (4,5) }
- B. { (5, 4) }
- C. { (-5, 4) }
- D. { -4, -5) }
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| 10 |
5x - 2 = 10 is a |
- A. Open sentence
- B. Right sentence
- C. False sentence
- D. Equation
|