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6. Which one of the following is the value of {( ) ( )}
   2

(^122)
ab ab?
(a) 2 (a^2 b^2 ) (b) a^2 b^2
(c) 2 ab (d) 4 ab

7. If 3
   2
   
   x

x , what is the value of^33

8

x

x ?

(a) 1 (b) 8 (c) 9 (d) 16

8. Which one of the following is the factorized form of p^4 p^2  1?

(a) (p^2 p 1 )(p^2 p 1 ) (b) (p^2 p 1 )(p^2 p 1 )

(c) (p^2 p 1 )(p^2 p 1 ) (d) (p^2 p 1 )(p^2 p 1 )

9. What are the factors of x^2  5 x 4?
   (a) (x 1 ),(x 4 ) (b) (x 1 ),(x 4 )

(c) (x 2 ),(x 2 ) (d) (x 5 ),(x 1 )

10. What is the value of (x 7 )(x 5 )?

(a) x^2  12 x 35 (b) x^2  12 x 35

(c) x^2  12 x 35 (d) x^2  12 x 35

11. What is the value of
    29 11

29 29 1111

˜  ˜

˜ u ˜  ˜ u˜

?

(a) 1 ˜ 8 (b) 1 ˜ 9
(c) 2 (d) 4

12. If x 2  3 , what is the value of x^2?

(a) 1 (b) 7  43

(c) 2  3 (d)
2 3

1



13. If f(x) x^2  5 x 6 and f(x) 0 ,x = what?

(a) 2 , 3 (b)  5 , 1

(c)  2 , 3 (d) 1 , 5

x  6

x x^2  6 x

 5  5 x  30