1.
Which symbol makes the expression -15 ___ -14 true?
A.
×
B.
<
C.
>
D.
=
Hint
2.
Simplify the expression 12
n
+ (-5
n
) + 3
n
.
A.
7
n
B.
-4
n
C.
10
n
D.
-20
n
Hint
3.
Solve the equation
k
= (-45) ÷ 3.
A.
15
B.
-15
C.
-41
D.
41
Hint
4.
Find the value of
m
for the equation
= -8.
A.
-32
B.
2
C.
32
D.
-2
Hint
5.
Factor 144 completely.
A.
4 · 4 · 9
B.
3 · 3 · 4 · 4
C.
12 · 12
D.
2 · 2 · 2 · 2 · 3 · 3
Hint
6.
Solve 6
g
+ 4 < 22.
A.
g
< 18
B.
g
< 3
C.
g
< 4
D.
g
< 16
Hint
7.
Use cross products to determine which ratio forms a proportion with
A.
B.
C.
D.
Hint
8.
Which point represents the car engine with the best fuel economy?
A.
(350, 21)
B.
(75, 39)
C.
(150, 33)
D.
(275, 16)
Hint
9.
Simplify (
v
+ 6)3.
A.
3
v
+ 6
B.
3
v
+ 18
C.
3
v
+ 63
D.
v
+ 18
Hint
10.
Solve –7
c
– 3
c
– 20 = 50.
A.
c
= -7
B.
c
= 3
C.
c
= -3
D.
c
= 7
Hint
11.
The perimeter of the rectangle shown is 62 cm. Find its length.
A.
18 cm
B.
49 cm
C.
36 cm
D.
44 cm
Hint
12.
Factor 15
x
3
- 5
x
2
.
A.
x
(15
x
2
- 5
x
)
B.
5
x
2
(3
x
– 1)
C.
5
x
(3
x
2
- x)
D.
x
2
(15
x
– 5)
Hint
13.
Find
x
7
·
x
4
.
A.
x
28
B.
xx
11
C.
x
11
D.
xx
28
Hint
14.
Evaluate
y
-5
if
y
= -2.
A.
B.
32
C.
D.
-32
Hint
15.
Find the LCM of 12
a
2
b
and 10
b
2
c
.
A.
40
a
2
b
c
B.
60
a
2
b
2
c
2
C.
80
a
2
b
3
c
D.
60
a
2
b
2
c
Hint
16.
Solve
A.
All real numbers
B.
C.
D.
Hint
17.
Solve
A.
n
< 36
B.
n
> 36
C.
n
< 192
D.
n
> 192
Hint
18.
A blueprint of a house shows a closet with a width of 1.75 inches. The actual closet will have a width of 2.5 feet. What is the scale of the blueprint?
A.
7 inches = 8 feet
B.
8 inches = 1 foot
C.
7 inches = 10 feet
D.
10 inches = 7 feet
Hint
19.
Express
as a percent. Round to the nearest tenth percent, if necessary.
A.
355.60%
B.
3555.60%
C.
35.60%
D.
3.60%
Hint
20.
Find 60% of 30 mentally.
A.
18
B.
50
C.
24
D.
12
Hint