1.
An 18-foot ladder is placed 6 feet from the wall. Approximately how high does the ladder reach?
A.
19 ft
B.
17.0 ft
C.
17.8 ft
D.
12 ft
Hint
2.
Name the multiplicative inverse of 5.
A.
20
B.
-5
C.
50
D.
0.2
Hint
3.
Simplify 3(2
a
+
b
) + 6(
a
- 2
b
).
A.
12
a
+ 15
b
B.
12
a
+ 9
b
C.
12
a
+
b
D.
12
a
- 9
b
Hint
4.
What is the value of |-101|?
A.
-101
B.
10.1
C.
0
D.
101
Hint
5.
Solve
x
+ 4 > 1 or
x
- 7 < 6.
A.
{
x
|
x
< 13}
B.
all reals
C.
{
x
|
x
> -3}
D.
{
x
|
x
< -3 or
x
> 13}
Hint
6.
Evaluate
p
· (
p
+ 3
q
) –
r
if
p
= -7,
q
= 4, and
r
= -16.
A.
45
B.
-51
C.
-19
D.
77
Hint
7.
Name the property of equality illustrated by the following statement. If
n
– 3 = 5 + 4, then
n
– 3 = 9.
A.
Transitive
B.
Symmetric
C.
Substitution
D.
Reflexive
Hint
8.
Solve the equation
x
– 82 = 143
A.
225
B.
-61
C.
61
D.
Hint
9.
Solve the equation |
b
– 7 | + 5 = 3.
A.
5
B.
9
C.
D.
{5, 9}
Hint
10.
Solve 6
z
> 39.
A.
B.
C.
{
z
|
z
< 234}
D.
{
z
|
z
> 234}
Hint
11.
If Molly's car gets 24 miles for each gallon of gasoline, and she has 8 gallons of gasoline in her tank, how far can she drive before having to stop and get gas?
A.
24 miles
B.
3 miles
C.
192 miles
D.
96 miles
Hint
12.
Solve the inequality | 5
x
+ 2 |
12.
A.
B.
C.
D.
Hint