1.
Find the greatest common factor of 168 and 288.
A.
24
B.
48
C.
36
D.
2
Hint
2.
Find 3
2
· 3
4
.
A.
3
2
B.
3
9
C.
3
8
D.
3
6
Hint
3.
Express 7
-3
using positive exponents.
A.
(-7)
3
B.
C.
D.
Hint
4.
Write a
2
b
-3
using positive exponents.
A.
B.
C.
D.
Hint
5.
Write
in standard form.
A.
3,576,820
B.
357,682
C.
0.357682
D.
3.57682
Hint
6.
Write 3 ·
x
·
x
·
x
·
x
·
y
·
y
·
y
·
y
using exponents.
A.
3
xy
8
B.
3
4
x
4
y
4
C.
3>
x
4
y
3
D.
3
x
4
y
4
Hint
7.
Evaluate
x
5
- 13 if
x
= -2.
A.
19
B.
3
C.
-23
D.
-45
Hint
8.
Factor 50
x
4
y
.
A.
2 · 5
2
·
x
4
·
y
B.
2 · 5 · 5 ·
x
·
x
·
x
·
x
·
y
C.
2 · 5
2
·
x
2
·
x
2
·
y
D.
2 · 5 · 5 ·
x
·
x
·
x
·
y
Hint
9.
Factor 15
x
3
- 5
x
2
.
A.
5
x
2
(3
x
– 1)
B.
5
x
(3
x
2
- x)
C.
x
2
(15
x
– 5)
D.
x
(15
x
2
- 5
x
)
Hint
10.
Which fraction is
written in simplest form?
A.
Already simplified
B.
C.
x
2
yz
D.
Hint
11.
Eight feet is what part of 10 yards? Write your answer as a fraction in simplest form.
A.
B.
C.
D.
Hint
12.
Find
A.
10
12
B.
1
12
C.
10
2
D.
1
2
Hint
13.
Express 2.629 × 10
7
in standard form.
A.
0.0000002629
B.
2,629
C.
26,290,000
D.
2,629,000
Hint
14.
Find the total number of rectangles that can be drawn with different whole number dimensions but with the same area as the rectangle shown.
A.
5
B.
4
C.
2
D.
3
Hint
15.
Simplify 4(2
x
+ 7).
A.
8
x
+ 56
B.
2
x
+ 28
C.
8
x
+ 28
D.
8
x
+ 7
Hint
16.
Simplify −1(
x
− 6).
A.
−
x
+ 6
B.
x
+ 6
C.
x
− 6
D.
−
x
− 6
Hint