Write a numerical expression for the phrase and simplify it.
88)
The product of 3
5 and –2
5, divided by 5
7.
88)
A)
3
5
–2
5
5
7
; –21
10
B)
3
5–2
5
5
7
; –42
125
C)
3
5–2
5
5
7
; –6
35
D)
5
7
3
5–2
5
; –125
42
Evaluate the expression, given x = – 2, y = 3, and a = – 4.
89)
–6x – 4y + 4a
89)
A)
4
B)
–26
C)
40
D)
–16
D
D)
Find the average of the numbers.
90)
What is the average of all integers between 1 and 30, inclusive of both?
90)
A)
465
B)
16.5
C)
15.5
D)
33
C
D)
Find the sum.
91)
[–7+ (–22)] + [(–21) + (–3)]
91)
A)
–39
B)
–53
C)
3
D)
5
B
D)
16
B
D)
Decide if the given number is a solution to the given equation.
92)
x +2
x –9=7
3; 69
4
92)
A)
Yes
B)
No
Write a numerical expression for the phrase and simplify it.
93)
The product of 3 and –5, added to –1
93)
A)
(–1)(–5) + 3; 8
B)
(–1+ 3)(–5); –10
C)
(–1)(–5)(3); 15
D)
(–1) + (3)(–5); –16
D
Simplify.
94)
7·13.6 +19.3 ·7.4
94)
A)
1094.9
B)
847.3
C)
238.02
D)
1704.2
C
Graph the numbers on a number line.
95)
–4, –2, 0, 2
95)
A)
B)
C)
D)
C
Find the difference.
96)
(19 + 10) – (19 – 12)
96)
A)
22
B)
40
C)
2
D)
–40
A
17
A
Decide if the given number is a solution to the given equation.
97)
x +4
10 – x =2
5; 0
97)
A)
No
B)
Yes
Solve the problem.
98)
Wayne has $23.34 in his wallet. Janice has a debt note for $28.41 in her wallet. Find the difference
between these amounts.
98)
A)
–$5.07
B)
$5.07
C)
$51.75
D)
–$51.75
B)
Give the numerical coefficient of the term.
99)
–7y
99)
A)
y
B)
7y
C)
7
D)
–7
B)
Identify the group of terms as like or unlike.
100)
4b, 14, 3a
100)
A)
Like
B)
Unlike
B)
Rewrite the statement so the inequality symbol points in the opposite direction.
101)
31 <37
101)
A)
37 31
B)
37 >31
C)
37 <31
D)
31 >37
B)
Find the value of the expression.
102)
0.56 +4.5(0.45)
102)
A)
2.277
B)
2.117
C)
2.427
D)
2.585
B)
18
B)
Answer the question or complete the sentence to make a true statement.
103)
The sum of a negative number and 0 will always be a number.
103)
A)
Negative
B)
Positive
Answer the question.
104)
The table shows the number of pupils per teacher in selected states.
State Pupils per Teacher
Alaska 16.7
Texas 14.7
California 20.5
Wyoming 12.5
Maine 12.3
Idaho 17.8
Missouri 13.9
Which states have a figure that is at most 16.7?
104)
A)
Texas, Wyoming, Maine, Missouri
B)
Alaska, Texas, Wyoming, Maine, Missouri
C)
Alaska, California, Idaho
D)
California, Idaho
Find the sum.
105)
15 + [(–9) + (–11)]
105)
A)
35
B)
–5
C)
17
D)
13
Solve the problem.
106)
The stock market gained 57 points on Tuesday and lost 51 points on Wednesday. Find the
difference between these changes.
106)
A)
6 points
B)
–6 points
C)
108 points
D)
–108 points
Answer the question.
107)
The table shows the number of pupils per teacher in selected states.
State Pupils per Teacher
Alaska 16.7
Texas 14.7
California 20.5
Wyoming 12.5
Maine 12.3
Idaho 17.8
Missouri 13.9
Which states have a figure that is at most 14.7?
107)
A)
Alaska, Texas, California, Idaho
B)
Texas, Wyoming, Maine, Missouri
C)
Alaska, California, Idaho
D)
Wyoming, Maine, Missouri
Evaluate the expression for the given values. Expression your answer as a fraction unless otherwise indicated.
108)
0.734x2+0.135y2 x =9, y =2 Round to the nearest tenth.
108)
A)
238.2
B)
43.7
C)
13.9
D)
60
Change the word statement to an equation. Use x as the variable.
109)
–5
3 of a number plus 8 equals 3.
109)
A)
–5
3x + 8 =3
B)
–5
3x =8+ 3
C)
–5
3(x + 8) =3
Find the product.
110)
–5
8–12
5
110)
A)
3
B)
– 1
C)
1
3
D)
3
2
Use the distributive property to write without parentheses.
111)
– (5x +2y)
111)
A)
5x +2y
B)
–5x +2y
C)
5x –2y
D)
–5x –2y
Find the difference.
112)
7
10 – – 1
2
112)
A)
–1
6
B)
–6
5
C)
6
5
D)
1
5
C
Find the sum.
113)
– 1 5
8+10 3
8
113)
A)
82
4
B)
83
4
C)
10 3
4
D)
11 3
4
B
Find the opposite (additive inverse) of the number.
114)
–15
114)
A)
–15
B)
0
C)
–1
15
D)
15
D
Find the difference.
115)
[–26.8 + (18.9 –3.5)] –2.5
115)
A)
39.7
B)
–13.9
C)
–8.9
D)
–46.7
B
21
D
Simplify the expression.
116)
5+5(2 –9m)
116)
A)
15 +45m
B)
10 –45m
C)
15 –45m
D)
15 –9m
Find the average of the numbers.
117)
4, 1, 6, 15, 4
117)
A)
31
B)
7.5
C)
5
D)
6
D)
State the phrase as a mathematical expression. Use x to represent the variable.
118)
A number increased by nine
118)
A)
9
B)
9x
C)
x + 9
D)
x – 9
D)
Use the indicated property to provide a new expression equal to the given expression. Simplify, if possible.
119)
4·1
4; inverse
119)
A)
16
B)
4
C)
–1
D)
1
D)
Find the average of the numbers.
120)
2, 2, –5, 10, –4
120)
A)
–2
B)
1.25
C)
0.8
D)
1
D)
D)
Find the sum.
121)
6.7 + [(–8.6) + (–4.6)]
121)
A)
2.7
B)
19.9
C)
10.7
D)
–6.5
Answer the question.
122)
What value for x makes the expression 1+ 8x equal to 9?
122)
A)
2
B)
0
C)
4
D)
1
D
Simplify the expression by combining like terms.
123)
–2.4p +5.8 – (8p + .3) +5.8p
123)
A)
–4.6p +5.5
B)
11.4p +5.5
C)
11.4p +6.1
D)
–4.6p +6.1
A
Find the numerical value of the expression for a) x = 4 and b) x = 18.
124)
4x
124)
A)
a) 16 b) 72
B)
a) 72 b) 16
C)
a) 8 b) 22
D)
a) 22 b) 8
A
Identify the group of terms as like or unlike.
125)
11a2, 11a9
125)
A)
Like
B)
Unlike
B
Simplify.
126)
63÷12 –10
126)
A)
8
B)
214
C)
27
D)
108
A
D
Find the value of the expression.
127)
(6 + 5)[6+ (8+ 3)]
127)
A)
187
B)
77
C)
900
D)
510
Find the value of the exponential expression.
128)
33
128)
A)
2
B)
33
C)
9
D)
27
D
Give the numerical coefficient of the term.
129)
–4y10
129)
A)
10
B)
–4
C)
4
D)
y10
B
Decide if the given number is a solution to the given equation.
130)
5z2–3=381.45; 8.7
130)
A)
No
B)
Yes
A
Give the numerical coefficient of the term.
131)
–10
131)
A)
10
B)
1
C)
–10
D)
0
C
A
Find the difference.
132)
–45 –45
132)
A)
0
B)
–90
C)
90
D)
–135
Write the word statement in symbols.
133)
Fifteen is less than or equal to nine plus seven.
133)
A)
15 + 9 7
B)
15 9+ 7
C)
9+ 7 15
D)
15 <9+ 7
Write a numerical expression for the phrase and simplify it.
134)
The product of 5 and the difference between 9 and –1
134)
A)
5[9 – (–1)]; 50
B)
5[–1– 9]; –50
C)
(5 – 9)(–1); 4
D)
(5)(9) – (–1); 46
Find the value of the exponential expression.
135)
32
135)
A)
6
B)
9
C)
3
D)
5
Perform the indicated operations to decide whether the statement is true or false.
136)
–2+1= – 2+ (–1)
136)
A)
False
B)
True
25
Perform the indicated operation.
137)
–4(3) +6(8)
–5– (–7)
137)
A)
–18
B)
18
C)
30
D)
–30
Decide if the statement is true or false.
138)
– – 8– – 9
138)
A)
False
B)
True
Decide if the given number is a solution to the given equation.
139)
5y + 7(y – 7) =59; 9
139)
A)
Yes
B)
No
Find the value of the expression.
140)
2
9+4
9·7
13
140)
A)
42
13
B)
5
39
C)
14
39
D)
15
31
Find the difference.
141)
1
7– – 4
7
141)
A)
3
7
B)
–3
7
C)
5
7
D)
–5
7
Find the value of the expression.
142)
9(17 –22)
2·4·15
142)
A)
151
8
B)
117
8
C)
39
40
D)
40
39
Decide whether the statement is an example of the commutative, associative, identity, inverse, or distributive property.
143)
5+ (–5) = 0
143)
A)
Inverse
B)
Associative
C)
Commutative
D)
Identity
Decide whether the problem is an equation or an expression.
144)
x + y – 2
144)
A)
Expression
B)
Equation
27
Answer Key
Testname: C9
28
Answer Key
Testname: C9
Answer Key
Testname: C9