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>

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>

3 
An expression involving one or more ................ number is called a surd. 
 A. Rational
 B. Irrational
 C. Both a & b
 D. None of these

4 
Factors of a<sup>4</sup> 4b<sup>4</sup> are.........<br> 
 A. (ab)(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. (ab)(a+b),(a<sup>2</sup>+4b<sup>2</sup>)
 D. (ab)(a<sup>2</sup>+2b<sup>2</sup>)

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>

6 
A ploynomial having two terms is called .................... . 
 A. Mononomial
 B. Trimomial
 C. Binomial
 D. None of these

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 )

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> )

9 
A polynomial P(x) = 2x2  x = 3 is said to be ..................... . 
 A. Trinomial
 B. Mononomial
 C. Binomial
 D. None of these

10 
For what value of 'k' x<sup>2</sup> + k will be a complete square? 
