1.
Evaluate 2
a
+
b
- 12 if
a
= 14 and
b
= 12.
A.
9
B.
28
C.
40
D.
19
Hint
2.
A verbal phrase for 6
n
- 4 is ______.
A.
the difference of six times a number and four
B.
four more than six times a number
C.
four less than six and a number
D.
the product of six and four less than a number
Hint
3.
Find the product 4 · 6 · 5 mentally.
A.
100
B.
80
C.
120
D.
20
Hint
4.
Name the property shown by the statement 6(2
m
) = (6 · 2)
m
.
A.
Associative Property of Addition
B.
Associative Property of Multiplication
C.
Commutative Property of Multiplication
D.
Commutative Property of Addition
Hint
5.
Identify the solution to 34 - 2
z
= 20.
A.
7
B.
6
C.
5
D.
8
Hint
6.
When a number is decreased by 16, the result is 64. What is the number?
A.
48
B.
1024
C.
4
D.
80
Hint
7.
Simplify |-13| - |5|.
A.
-18
B.
-8
C.
8
D.
18
Hint
8.
Find the sum (-4) + 6.
A.
2
B.
10
C.
-2
D.
-10
Hint
9.
Solve the equation 6 + (-2) + (-8) =
r
.
A.
0
B.
-16
C.
2
D.
-4
Hint
10.
The area of a regular hexagon can be found using the
formula
A
=
ap
. What is the area of the hexagon
below if
p
= 6
s
.
A.
27.72 cm
2
B.
332.64 cm
2
C.
55.44 cm
2
D.
166.32 cm
2
Hint
11.
Three more than the product of 6 and a number is 51. Write an equation and find the number.
A.
3
n
(6) = 51;
B.
6 +
n
+ 3 = 51; 42
C.
6
n
+ 3 = 51; 8
D.
3 + 6
n
= 51; 15
Hint
12.
Use the scatter plot to predict the mileage of an engine with 250 horsepower.
A.
20
B.
25
C.
12
D.
10
Hint
13.
A towing company charges $25.00 plus $1.50 per mile to tow a car. What is the cost to tow a car thirty miles?
A.
$45.00
B.
$56.50
C.
$70.00
D.
$795.00
Hint
14.
Name the property shown by the statement
a
+
b
+ 0 = 0 +
a
+
b
.
A.
Commutative Property of Addition
B.
Associative Property of Addition
C.
None of these
D.
Additive Identity
Hint
15.
Simplify (
r
+ 6) + 27.
A.
6
r
+ 27
B.
33
r
C.
r
+ 21
D.
r
+ 33
Hint
16.
Find the sum –9 + (-5) + (-3).
A.
-17
B.
11
C.
-11
D.
17
Hint
17.
Evaluate –11
xy
if
x
= -3 and
y
= 5.
A.
22
B.
-22
C.
165
D.
-165
Hint
18.
Find the quotient
A.
77
B.
8
C.
-77
D.
-8
Hint
19.
Simplify 7
a
+ 3
a
.
A.
4
a
B.
10
a
C.
21
a
D.
10
aa
Hint
20.
Solve 7 – 3
x
= 40.
A.
x
= -11
B.
x
= 4
C.
x
= -4
D.
x
= 11
Hint