1.
Simplify (3
a
4
b
2
)
2
(2
a
3
bc
2
)
3
.
A.
6
a
17
b
7
c
6
B.
17
a
12
b
8
c
5
C.
72
a
17
b
7
c
6
D.
36
a
17
b
7
c
6
Hint
2.
Express 47.5 × 10
-5
in scientific notation.
A.
4.75 × 10
-4
B.
4.75 × 10
-6
C.
0.475 × 10
-3
D.
475 × 10
-6
Hint
3.
Express 0.034 × 10
7
in scientific notation.
A.
3.4 × 10
9
B.
34 × 10
4
C.
3.4 × 10
5
D.
0.34 × 10
6
Hint
4.
What is the degree of 4
x
5
– 5
xy
4
+ 3
xy
2
– 1?
A.
5
B.
4
C.
3
D.
0
Hint
5.
Simplify 5
a
(4
a
2
– 2
a
) + 3
a
(-2
a
2
+ 4
a
).
A.
2
a
2
+ 10
a
B.
14
a
2
+ 2
a
C.
14
a
3
+ 2
a
2
D.
10
a
3
+ 4
a
2
Hint
6.
Solve 5(4
x
– 3) = 6(2
x
+ 5) – 5.
A.
B.
C.
x
= 5
D.
Hint
7.
Find (3
a
+ 4
b
)
2
A.
9
a
2
+ 24
ab
+ 16
b
2
B.
9
a
2
+ 16
b
2
C.
9
a
2
+ 12
ab
+ 16
b
2
D.
3
a
2
+ 24
ab
+ 4
b
2
Hint
8.
Which expression is equivalent to ((3
2
)
4
)
3
?
A.
81
6
B.
9
6
C.
27
12
D.
9
9
Hint
9.
Simplify
.
A.
x
2
y
B.
x
3
y
2
C.
x
3
y
D.
x
2
y
2
Hint
10.
Simplify
.
A.
x
26
y
3
B.
x
3
y
3
C.
x
24
y
19
D.
x
6
y
3
Hint
11.
Write a polynomial to represent the area of a square with a side
x
minus the area of a triangle with a base 2
x
and a height of 5.
A.
x
2
– 10
x
B.
x
2
– 5
x
C.
x
2
– 2
x
+ 5
D.
4
x
Hint
12.
Find (4
x
2
– 2
x
– 3) + (–
x
2
+ 7
x
– 4).
A.
3
x
2
+ 5
x
+ 1
B.
3
x
2
+ 5
x
– 7
C.
5
x
2
+ 5
x
+ 1
D.
5
x
2
+ 5
x
– 7
Hint
13.
Find (–2
x
2
+ 5
x
– 1) – (3
x
2
– 4
x
– 6).
A.
–5
x
2
+
x
– 7
B.
–5
x
2
+ 9
x
– 7
C.
–5
x
2
+ 9
x
+ 5
D.
–5
x
2
+
x
+ 5
Hint
14.
Find the product (2
x
- 3)(2
x
2
+ 5
x
- 1).
A.
4
x
3
+ 4
x
2
– 17
x
– 3
B.
4
x
3
+ 4
x
2
– 17
x
+ 3
C.
8
x
2
– 17
x
+ 3
D.
8
x
2
– 17
x
– 3
Hint
15.
A rectangle has a base of 4
x
– 1 and a height of 3
x
+ 2. What is the area?
A.
12
x
2
+ 5
x
– 2
B.
12
x
2
+ 5
x
+ 2
C.
12
x
2
– 5
x
– 2
D.
12
x
2
– 5
x
+ 2
Hint
16.
Which of the following is a difference of two squares?
A.
x
2
– 9
B.
x
2
+ 6x + 9
C.
x
2
– 8
x
– 16
D.
x
2
+ 36
Hint