1.
Solve 19 = 7 +
n
.
A.
26
B.
12
C.
5
D.
13
Hint
2.
Solve
= 5.
A.
14
B.
45
C.
36
D.
4
Hint
3.
Name the coordinate of point
A
on the number line.
A.
-7
B.
-4
C.
5
D.
0
Hint
4.
Find |-2| + |-3|.
A.
5
B.
1
C.
-5
D.
-1
Hint
5.
Choose the correct symbol below to make the sentence true.
|-4| ___ 3
A.
>
B.
=
C.
<
D.
none of these
Hint
6.
Solve -3 + (-5) =
q
.
A.
-8
B.
8
C.
-15
D.
15
Hint
7.
Solve
m
= (-8) + 14.
A.
6
B.
-6
C.
-22
D.
22
Hint
8.
Evaluate the expression |
a
+
b
| if
a
= 3 and
b
= -4.
A.
-7
B.
7
C.
-1
D.
1
Hint
9.
Evaluate the expression 3 +
x
+
y
+ (-7) if
x
= -2 and
y
= 5.
A.
-1
B.
1
C.
2
D.
-2
Hint
10.
Solve
a
= (-1)(-4)(-3).
A.
13
B.
12
C.
-8
D.
-12
Hint
11.
Solve (-20) ÷ (-4) =
c
.
A.
-16
B.
16
C.
-5
D.
5
Hint
12.
Solve
= 43.
A.
9
B.
46
C.
129
D.
40
Hint
13.
Evaluate |-21| - |16|.
A.
5
B.
36
C.
-37
D.
37
Hint
14.
Solve 17 + (-21) + (-16) + 22 =
x
.
A.
x
= 76
B.
x
= -32
C.
x
= -42
D.
x
= 2
Hint
15.
Shelia went on an exercise program that lasted 6 weeks. She increased the weight she was lifting by 5 pounds per week. What was her total change in weight lifted?
A.
-30 pounds
B.
11 pounds
C.
1 pound
D.
30 pounds
Hint
16.
Solve
q
=
.
A.
q
= -70
B.
q
= -9
C.
q
= 9
D.
q
= -56
Hint
17.
Which is a counterexample for the following statement?
The difference of two odd numbers is an odd number
.
A.
15 - 7 = 8
B.
7 + 9 = 16
C.
15 – 4 = 11
D.
12 – 5 = 7
Hint
18.
Evaluate 9 + |
b
| if
b
= -14.
A.
-23
B.
-3
C.
3
D.
23
Hint
19.
Write
8 more than a number is 17
as an algebraic equation. Let
n
represent the number.
A.
n
– 8 = 17
B.
n
+ 17 = 8
C.
n
– 17 = 8
D.
n
+ 8 = 17
Hint
20.
An African elephant calf weighs about 250 pounds at birth. A male adult elephant weighs 12,000 pounds. Which equation can be used to determine the number of pounds the elephant gains in his lifetime? Let
p
represent the number of pounds gained.
A.
250
p
= 12,000
B.
250 –
p
= 12,000
C.
12,000 +
p
= 250
D.
250 +
p
= 12,000
Hint