1.
What does 9|4 mean in the stem-and-leaf plot below?
A.
94
B.
49
C.
D.
904
Hint
2.
What is the multiplicative inverse of
A.
B.
C.
D.
4
Hint
3.
Which statement illustrates the symmetric property?
A.
If 3 + 2 = 5, then 5 = 3 + 2.
B.
If 3 + 2 = 5 and 5 = 4 + 1, then 3 + 2 = 4 + 1.
C.
3 + 2 = 5
D.
Hint
4.
Simplify 3
x
2
y
+ 2
x
y
2
+ 5
x
2
y
+ 3
y
2
.
A.
8
x
2
y
+ 2
x
y
2
+ 3
y
2
B.
8
x
2
y
+ 5
xy
2
C.
8
x
4
y
2
+5
y
3
D.
13
x
5
y
6
Hint
5.
Find the product
A.
B.
C.
D.
Hint
6.
Solve 23 -
x
= 142.
A.
x
= 165
B.
x
= 119
C.
x
= -165
D.
x
= -119
Hint
7.
Solve
A.
w
=
B.
w
=
C.
w
=
D.
w
= -1
Hint
8.
Solve the equation
A.
a
= 0
B.
a
=
C.
a
= 5
D.
a
=
Hint
9.
Solve the equation 2
x
+
y
= 6 for
y
.
A.
y
= -6 - 2
x
B.
y
= 2
x
+ 6
C.
y
= -2
x
+ 6
D.
y
= 2
x
- 6
Hint
10.
Find the mode of {325, 100, 115, 621, 325, 325, 100}.
A.
325
B.
115
C.
100
D.
273
Hint
11.
The median is the _________ of a set of numbers.
A.
middle number
B.
most frequent
C.
highest number
D.
average
Hint
12.
Solve the proportion
for the value of
z
to the nearest hundredth.
A.
1.34
B.
2.10
C.
0.39
D.
2.56
Hint
13.
Evaluate
.
A.
1
B.
2
C.
4
D.
3
Hint
14.
Name the property demonstrated by 15 × 1 = 15.
A.
Reflexive Property
B.
Multiplicative Inverse
C.
Transitive Property
D.
Multiplicative Identity
Hint
15.
Write a simplified expression to represent 5 times the sum of
x
and 3 increased by 10.
A.
18
x
B.
5
x
+ 25
C.
5
x
+ 13
D.
35
x
Hint
16.
Translate the sentence into a formula. The area of a trapezoid is equal to one-half times the sum of the bases times the height.
A.
B.
C.
D.
Hint
17.
Solve
c
+ 149 = 213.
A.
c
= -362
B.
c
= 64
C.
c
= -64
D.
c
= 362
Hint
18.
Solve
A.
B.
C.
a
= -90
D.
a
= 90
Hint
19.
A chemistry experiment calls for a 25% solution of copper sulfate. Juanita has 20 milliliters of 15% solution. How many milliliters of 35% solution should she add to obtain the required 25% solution?
A.
23 milliliters
B.
20 milliliters
C.
17 milliliters
D.
15 milliliters
Hint
20.
Xenxang drove 60 miles to visit his daughter. On the way to his daughter's house the trip took 1 hour and 15 minutes. On the way back from his daughter's house the trip took 1 hour and 30 minutes. Rounded to the nearest mile per hour, what was Xenxang's average speed for the round trip?
A.
46 miles per hour
B.
40 miles per hour
C.
48 miles per hour
D.
44 miles per hour
Hint