1.
Solve 3
x
- 9 > 21.
A.
x
< 10
B.
x
< 30
C.
x
> 30
D.
x
> 10
Hint
2.
Write an inequality for the sentence ''four less than five times a number is greater than sixteen.'' Then solve the inequality.
A.
n
> 4
B.
n
< 2.5
C.
n
< 4
D.
n
> 2.5
Hint
3.
Solve -4
x
+ 6 = -10.
A.
-4
B.
1
C.
-1
D.
4
Hint
4.
Solve
g
+ 8 < 33.
A.
g
< 38
B.
g
< 26
C.
g
< 41
D.
g
< 25
Hint
5.
Write an equation for ''5 times a number increased by 30 is –65.'' Then solve.
A.
n
= -130
B.
n
= -7
C.
n
= -215
D.
n
= -19
Hint
6.
Solve
– 2.1 = -27.
A.
b
= -124.5
B.
b
= -145.5
C.
b
= -4.98
D.
b
= -5.82
Hint
7.
Which is
not
a like term in the expression 7
x
+ 3 - 4
x
-
x
?
A.
3
B.
-
x
C.
7
x
D.
-4
x
Hint
8.
Simplify 5
a
+ 3
a
.
A.
8
a
2
B.
15
a
2
C.
8
a
D.
15
a
Hint
9.
Translate the following sentence into an equation. The difference between 4 and five times a number is -1.
A.
5
n
- 4 = 1
B.
4 - 5
n
= -1
C.
-5
n
- 4 = -1
D.
4 + 5
n
= -1
Hint
10.
Solve
y
- 5 = -1 +
y
.
A.
-16
B.
8
C.
16
D.
-8
Hint
11.
Write an equation to find the value of
x
so that each pair of polygons has the same area. Then solve.
A.
6
x
+ 18 = 10
x
- 6; 6
B.
12
x
+ 36 = 10
x
- 6; 21
C.
6
x
+ 18 = 10
x
+ 6; 6
D.
6
x
+ 18 = 10
x
- 2; 5
Hint
12.
Write an inequality for the following sentence: The ballroom has a capacity of 450 people.
A.
p
450
B.
p
< 450
C.
p
> 450
D.
p
450
Hint
13.
Write an inequality for the following sentence: The discount is good on any purchase under $20.
A.
d
20
B.
d
< 20
C.
d
20
D.
d
> 20
Hint
14.
Solve
y
- 13
6.
A.
y
-19
B.
y
19
C.
y
-7
D.
y
7
Hint