1.
What is the multiplicative inverse of
A.
4
B.
C.
D.
Hint
2.
Simplify 3
x
2
y
+ 2
x
y
2
+ 5
x
2
y
+ 3
y
2
.
A.
13
x
5
y
6
B.
8
x
2
y
+ 2
x
y
2
+ 3
y
2
C.
8
x
2
y
+ 5
xy
2
D.
8
x
4
y
2
+5
y
3
Hint
3.
Simplify 2
a
4
+ 4
a
2
+
a
4
.
A.
3
a
4
+ 4
a
2
B.
7
a
10
C.
2
a
4
+ 4
a
2
+
a
4
D.
3
a
8
+ 4
a
2
Hint
4.
Write
in simplest form.
A.
B.
C.
D.
Hint
5.
Solve 2
x
= -10.
A.
x
= -12
B.
x
= -5
C.
x
= 5
D.
x
= 8
Hint
6.
Solve the equation 7 = 2 + 5(
z
- 2).
A.
B.
C.
2
D.
3
Hint
7.
Solve the equation 2
x
+
y
= 6 for
y
.
A.
y
= 2
x
- 6
B.
y
= -2
x
+ 6
C.
y
= 2
x
+ 6
D.
y
= -6 - 2
x
Hint
8.
Write an algebraic expression for one-half of a number
x
subtracted from fifty.
A.
B.
C.
50 - 2
x
D.
2
x
- 50
Hint
9.
A scale drawing of a room has a scale of 1.75 inches = 1.5 feet. How long is a couch that is 7 inches in the scale drawing?
A.
7 ft
B.
8 ft
C.
6 ft
D.
5 ft
Hint
10.
What is the probability that when a coin is tossed it will land heads up?
A.
1
B.
C.
D.
0
Hint
11.
Evaluate 4(6) + 7(5 – 3).
A.
118
B.
38
C.
10
D.
80
Hint
12.
Name the property demonstrated by 15 × 1 = 15.
A.
Multiplicative Identity
B.
Multiplicative Inverse
C.
Reflexive Property
D.
Transitive Property
Hint
13.
Simplify 2
x
+ 5
x
+ 4(
x
+ 3).
A.
23
x
B.
11
x
+ 3
C.
14
x
D.
11
x
+ 12
Hint
14.
Evaluate 12 - |
x
- 7| if
x
= 15.
A.
9
B.
6
C.
4
D.
7
Hint
15.
Simplify the expression 4(-5
k
) + 15
k
.
A.
5
k
B.
35
k
C.
-5
k
D.
-35
k
Hint
16.
Find
A.
B.
C.
D.
Hint
17.
Evaluate
if
x
= -13,
y
= -10, and
z
= -5.
A.
24
B.
26
C.
-24
D.
-26
Hint
18.
Solve
c
+ 149 = 213.
A.
c
= 362
B.
c
= -362
C.
c
= 64
D.
c
= -64
Hint
19.
Use the formula
A
=
lw
to find the width of a rectangle whose area is 46.875 square meters and whose length is 7.5 meters.
A.
6.5 meters
B.
6.35 meters
C.
6.2 meters
D.
6.25 meters
Hint
20.
Solve
A.
m
=
B.
m
= 1
C.
m
=
D.
m
= -1
Hint