| 1 |
What will be added to complete the square of<div>9a - 12ab.</div> |
- A. -16b<sup>2</sup>
- B. 16b<sup>2</sup>
- C. 4b<sup>2</sup>
- D. -4b<sup>2</sup>
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| 2 |
(a+b) (a<sup>2</sup>-ab+b<sup>2</sup>) is equal to<br> |
- A. a<sup>2</sup>+b<sup>2</sup>
- B. a<sup>2</sup>+b<sup>2</sup>
- C. a<sup>4</sup>+b<sup>4</sup>
- D. a<sup>3</sup>-b<sup>3</sup>
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| 3 |
An expression involving one or more ................ number is called a surd. |
- A. Rational
- B. Irrational
- C. Both a & b
- D. None of these
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| 4 |
Factors of a<sup>4</sup> -4b<sup>4</sup> are.........<br> |
- A. (a-b)(a+b),(a<sup>2</sup>+4b<sup>2</sup>)
- B. (a<sup>2</sup>-2b<sup>2</sup>)(a<sup>2</sup>+2b<sup>2</sup>) <br>
- C. (a-b)(a+b),(a<sup>2</sup>+4b<sup>2</sup>)
- D. (a-b)(a<sup>2</sup>+2b<sup>2</sup>)
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| 5 |
What should be added in 4a<sup>2</sup> - 12ab to make it a complete square? |
- A. 9b<sup>2</sup>
- B. -9b<sup>2</sup>
- C. -3b<sup>2</sup>
- D. 3b<sup>2</sup>
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| 6 |
A ploynomial having two terms is called .................... . |
- A. Mononomial
- B. Trimomial
- C. Binomial
- D. None of these
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| 7 |
Factors of k(a + bk + ck) are: |
- A. (x - 3 ) ( x - 4 )
- B. (x - 3 ) ( x + 4 )
- C. (x + 3 ) ( x + 4 )
- D. (x + 3 ) ( x - 4 )
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| 8 |
Factors of x<sup>4</sup> - 4y<sup>4</sup> are: |
- A. ( x - y ) ,( x + y )( x<sup>2</sup> + 4y<sup>2</sup>)
- B. ( x<sup>2</sup> - y<sup>2</sup> ) ,( x<sup>2</sup> + 2y<sup>2</sup> )
- C. ( x - y ) ,( x + y )( x<sup>2</sup> - 4y<sup>2</sup>)
- D. ( x - 2y ) ,( x<sup>2</sup> + 2y<sup>2</sup> )
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| 9 |
A polynomial P(x) = 2x2 - x = 3 is said to be ..................... . |
- A. Trinomial
- B. Mononomial
- C. Binomial
- D. None of these
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| 10 |
For what value of 'k' x<sup>2</sup> + k will be a complete square? |
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