1.
Write an inequality to represent ''20 is greater than or equal to 4 times a number.'' Then solve.
A.
4
n
B.
5
n
C.
80
n
D.
5
n
Hint
2.
Solve -4
y
– 20 = -8
A.
y
= 3
B.
y
= -7
C.
y
= 7
D.
y
= -3
Hint
3.
Solve 3
x
–
=
.
A.
x
= 3
B.
x
= 1
C.
x
=
D.
x
=
Hint
4.
Find the solution of -7.1
n
+ 2.5 > -47.2.
A.
n
< 6.3
B.
n
< 7
C.
n
> 7
D.
n
> 6.3
Hint
5.
Use the Distributive Property to rewrite (
y
+ 2)(-5).
A.
-5
y
- 10
B.
5
y
+ 10
C.
5
y
- 10
D.
-5
y
+ 10
Hint
6.
Use the Distributive Property to rewrite (
f
- 4)(-3).
A.
-3
f
- 12
B.
3
f
+ 12
C.
3
f
- 12
D.
-3
f
+ 12
Hint
7.
Translate the following sentence into an equation. Nine is the sum of 1 and two times a number.
A.
9 = 2 +
n
B.
1 = 9 + 2
n
C.
9 = 1(2
n
)
D.
9 = 1 + 2
n
Hint
8.
Translate the following sentence into an equation. The difference between 4 and five times a number is -1.
A.
4 + 5
n
= -1
B.
5
n
- 4 = 1
C.
4 - 5
n
= -1
D.
-5
n
- 4 = -1
Hint
9.
Solve 6 -
m
= 5
m
+ 30.
A.
-7
B.
7
C.
-4
D.
4
Hint
10.
Write an equation to find the value of
x
so that each pair of polygons has the same area. Then solve.
A.
12
x
+ 36 = 10
x
- 6; 21
B.
6
x
+ 18 = 10
x
- 2; 5
C.
6
x
+ 18 = 10
x
+ 6; 6
D.
6
x
+ 18 = 10
x
- 6; 6
Hint
11.
Find the value that makes 7+
z
< 12 a true inequality.
A.
8
B.
4
C.
11
D.
5
Hint
12.
Which inequality represents the graph below?
A.
q
8
B.
q
< 8
C.
q
> 8
D.
q
8
Hint
13.
Thomas limits the time he spends in an Internet chat room to 6 hours per week. This week he has already spent 2
hours in the chat room. Find an inequality and its solution that shows how much more time Thomas can spend in the chat room.
A.
t
- 2
6;
t
8
B.
t
- 2
> 6;
t
> 8
C.
t
+ 2
< 6;
t
< 3
D.
t
+ 2
6;
t
3
Hint
14.
Moesha is creating and recording a video for her English class. The video has to be at least 60 seconds in length, and she has recorded 43 seconds. Find an inequality and its solution that shows how many more seconds Moesha has to add to the video.
A.
v
- 43
60;
v
103
B.
43 +
v
> 60;
v
> 17
C.
43 +
v
60;
v
17
D.
v
- 43 < 60;
v
< 103
Hint