=
=
=
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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