= 
= 
= 
ANSWER IS B.
+ 1 = 
– 1) ^2 = ) ^2
3x – 3 – 2 
+ 1 = 3x + 6
– 2 = 6+3-1
Divide by -2 on both sides and Square again
( ) ^2 = (- 8/2) ^2
3x -3 = 16
3x = 16 + 3
3x=19
x = 19/3
ANSWER IS B. 19/3
* 
= 
* 
* 
Where i = 
, i 2 = -1
* 
i 2 * 24 = -24
Answer is A
Using the law of indices
= = 
Factorize 88
88 = 2*2*2*11 = 
* 11
= 
= 
= 
Answer is C
3m 
+ 
3m 
+ 
3*5*m 2 
+ 
15 m 2 +
= 21 m 2
ANSWER is C
(6 - 
) (6 + )
6* (6 + ) - * (6 + )
36 + 6 - 6 – ( )^2
= 36 -13 = 23
Answer is A.
= 
Answer is A
W (x) = 
W (50) = 
W (50) = 
W (50) = 5.59344 = 5.6 (1 d.p.) weeks
C. It will be about 5.6 weeks until 50 percent of the campus is watching the show.
+ k) 2 = + k ) + k )
* + k ) + k * + k )
= 11 + k + k + k 2
= 11 +2 k + k 2
Answer is D.
= 
= 3x 
Answer is D
= 
= 
= 2 
The answer is D
The square of imaginary i is equal to -1
i = = 
i 20 = (i 2 ) 10 = (-1) 10 = 1
Answer is B
7 
= 9
7 
= 9
7/ = 9
7/ * = 9 *
7= 9 *
) 4 = (7/9) 4
m=2401/ 6561= 0.365950312
No correct answer
= 
Theorem: a 2 + b 2 = c 2
Where c is the hypotenuse
C= 
= 10 in
Answer is B
* 
* 
= 
= 
= 
No correct answer
. 6 
= 
= 
= -24*2 
= -48
Answer is C
Multiply by the conjugate
= 
Since i 2 = -1
= 
= 
- 
= 
- 
Answer is C
= 
= 
The answer is C
= 
and simplify
) 2 = ) 2
2x -8 = 11 + 4x
-2x = 19
X= -19/2
Answer is A.
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