Splash Screen

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Splash Screen
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Chapter Menu

• Lesson 8-1 Solving Equations with Variables on
  Each Side
• Lesson 8-2 Solving Equations with Grouping
  Symbols
• Lesson 8-3 Inequalities
• Lesson 8-4 Solving Inequalities by Adding or
  Subtracting
• Lesson 8-5 Solving Inequalities by Multiplying or
  Dividing
• Lesson 8-6 Solving Multi-Step Inequalities

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Lesson 1 Menu
Five-Minute Check (over Chapter 7) Main
Idea Example 1 Equations with Variables on Each
Side Example 2 Equations with Variables on Each
Side Example 3 Real-World Example
4
Lesson 1 MI/Vocab

• Solve equations with variables on each side.

5
Lesson 1 Ex1
Equations with Variables on Each Side
Solve 5x 12 2x. Check your solution.
5x 12 2x Write the equation. 5x 5x
12 2x 5x Subtract 5x from each side.
12 3x Simplify.
4 x Mentally divide each side by 3.
6
Lesson 1 Ex1
Equations with Variables on Each Side
To check your solution, replace x with 4 in the
original equation.
Check 5x 12 2x Write the equation.
8 8 This statement is
true.
?
Answer The solution is 4.
BrainPOPTwo-Step Equations
7
Lesson 1 CYP1
Solve 7x 5x 6. Check your solution.

1. A
2. B
3. C
4. D

8
Lesson 1 Ex2
Equations with Variables on Each Side
A. Solve 7x 3 2x 23.
7x 3 2x 23 Write the equation. 7x
2x 3 2x 2x 23 Subtract 2x from each
side. 5x 3 23 Simplify. 5x 3
3 23 3 Subtract 3 from each side.
5x 20 Simplify. x 4 Check
your solution.
Answer The solution is 4.
9
Lesson 1 Ex2
Equations with Variables on Each Side
B. Solve 1.7 a 3.8a 5.3.
1.7 a 3.8a 5.3 Write the equation.
1.7 a a 3.8a a 5.3 Subtract a from each
side. 1.7 2.8a 5.3 Simplify.
1.7 5.3 2.8a 5.3 5.3 Add 5.3 to each
side. 7.0 2.8a Simplify.
Divide each side by 2.8.
2.5 a Check your solution.
Answer The solution is 2.5
10
Lesson 1 CYP2
A. Solve 4x 15 2x 7.

1. A
2. B
3. C
4. D

11
Lesson 1 CYP2
B. Solve 2.4 3m 6.4m 8.88.
A. 3.3 B. 1.2 C. 0.7 D. 1.9

1. A
2. B
3. C
4. D

12
Lesson 1 Ex3
CAR RENTAL A car rental agency has two plans.
Under plan A, a car rents for 80 plus 20 each
day. Under plan B, a car rents for 120 plus 15
each day. What number of days results in the same
cost?
Let d represent the number of days. 80 plus 20
for each day equals 120 plus 15 for each day
80 20d 120 15d Write the original
equation. 80 20d 15d 120 15d
15d Subtract 15d from each side. 80
5d 120 Simplify.
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Lesson 1 Ex3
80 80 5d 120 80 Subtract 80 from each
side.
5d 40 Simplify.
Divide each side by 5.
d 8 Simplify.
Answer If you rent the car for 8 days, the cost
is the same for both plans.
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Lesson 1 CYP3
CELL PHONES A cell phone provider offers two
plans. Under plan A, the monthly cost is 20 with
a cost of 0.35 per minute. Under plan B, the
monthly cost is 35 with a cost of 0.15 per
minute. What number of minutes results in the
same cost?
A. 30 minutes B. 75 minutes C. 110 minutes D. 275
minutes

1. A
2. B
3. C
4. D

15
End of Lesson 1
16
Lesson 2 Menu
Five-Minute Check (over Lesson 8-1) Main Ideas
and Vocabulary Example 1 Solve Equations with
Parentheses Example 2 Use an Equation to Solve
a Problem Example 3 No Solution Example 4 All
Numbers as Solutions
17
Lesson 2 MI/Vocab

• Solve equations that involve grouping symbols.

• Identify equations that have no solution or an
  infinite number of solutions.

• null or empty set

• identity

18
Lesson 2 Ex1
Solve Equations with Parentheses
A. Solve 3h 5(h 2). Check your solution.
3h 5(h 2) Write the equation.
3h 5(h) 5(2) Use the Distributive Property.
3h 5h 10 Simplify. 3h 5h 5h 5h
10 Subtract 5h from each side.
2h 10 Simplify.
Divide each side by 2.
19
Lesson 2 Ex1
Solve Equations with Parentheses
h 5 Simplify.
Check 3h 5(h 2) Write the equation.
15 15 This statement is true.
?
Answer The solution is 5.
20
Lesson 2 Ex1
Solve Equations with Parentheses
B. Solve 6(b 2) 3(b 8.5). Check your
solution.
6(b 2) 3(b 8.5) Write the
equation. 6b 12 3b 25.5 Use the
Distributive Property. 6b 12 3b 3b 3b
25.5 Subtract 3b from each side. 3b
12 25.5 Simplify. 3b 12 12 25.5 12 Add
12 to each side.
3b 37.5 Simplify.
Divide each side by 3.
21
Lesson 2 Ex1
Solve Equations with Parentheses
b 12.5 Simplify.
Answer The solution is 12.5.
22
Lesson 2 CYP1
A. Solve 4t 7(t 3). Check your solution.

1. A
2. B
3. C
4. D

23
Lesson 2 CYP1
B. Solve 3(p 5) 6(p 2). Check your solution.

1. A
2. B
3. C
4. D

24
Lesson 2 Ex2
Use an Equation to Solve a Problem
GEOMETRY The perimeter of a rectangle is 36
inches. Find the dimensions if the length is 2
inches greater than three times the width.
Words 2 times the length 2 times the width
perimeter
Variable Let w the width. Let 3w 2 the
length.
Equation 2(3w 2) 2w 36
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Lesson 2 Ex2
Use an Equation to Solve a Problem
2(3w 2) 2w 36 Write the equation.
6w 4 2w 36 Use the Distributive
Property. 8w 4 36 Simplify.
8w 4 4 36 4 Subtract 4 from each side.
8w 32 Simplify.
w 4 Mentally divide each side by
8. Evaluate 3w 2 to find the length.
3(4) 2 12 2 or 14 Replace w with 4.
Answer The width is 4 inches. The length is 14
inches.
26
Lesson 2 CYP2
GEOMETRY The perimeter of a rectangle is 26
feet. Find the dimensions if the length is 2 feet
less than twice the width.

1. A
2. B
3. C
4. D

27
Lesson 2 Ex3
No Solution
Solve 4x 0.3 4x 0.9.
4x 0.3 4x 0.9 Write the
equation. 4x 4x 0.3 4x 4x 0.9 Subtract
4x from each side.
0.3 0.9 Simplify.
Answer The sentence 0.3 0.9 is never true.
So, the solution set is Ø.
Interactive LabSolving Two-Step Equations
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Lesson 2 CYP3
Solve 16 1.3m 12 1.3m.
A. 3.1 B. 21.5 C. The solution set is Ø. D. The
solution set is all numbers.

1. A
2. B
3. C
4. D

29
Lesson 2 Ex4
All Numbers as Solutions
Solve 3(4x 2) 15 12x 9.
3(4x 2) 15 12x 9 Write the equation.
12x 6 15 12x 9 Use the Distributive
Property. 12x 9 12x 9 Simplify.
12x 9 9 12x 9 9 Subtract 9 from each
side. 12x 12x Simplify.
x x Mentally divide each side by
12.
Answer The sentence x x is always true. The
solution set is all numbers.
30
Lesson 2 CYP4
Solve 10a 9 5(2a 3) 6.

1. A
2. B
3. C
4. D

31
End of Lesson 2
32
Lesson 3 Menu
Five-Minute Check (over Lesson 8-2) Main Ideas
and Vocabulary Example 1 Write Inequalities Key
Concept Inequalities Example 2 Real-World
Example Example 3 Determine Truth of an
Inequality Example 4 Graph Inequalities Example
5 Write an Inequality
33
Lesson 3 MI/Vocab

• Write inequalities.

• Graph inequalities.

• inequality

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Lesson 3 Ex1
Write Inequalities
A. Write an inequality for the following
sentence. Your height is greater than 52 inches.
Words Your height is greater than 52 inches.
Variable Let h represent height.
Inequality h gt 52
Answer h gt 52
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Lesson 3 Ex1
Write Inequalities
B. Write an inequality for the following
sentence. Your speed is less than or equal to 62
mph.
Words Your speed is less than or equal to 62 mph.
Variable Let s represent speed.
Inequality s 62
Answer s 62
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Lesson 3 CYP1
A. Write an inequality for the following
sentence. Your height is less than 48 inches.
A. h lt 48 B. h gt 48 C. h 48 D. h 48

1. A
2. B
3. C
4. D

37
Lesson 3 CYP1
B. Write an inequality for the following
sentence. Your age is greater than 12 years.
A. a lt 12 B. a gt 12 C. a 12 D. a 12

1. A
2. B
3. C
4. D

38
Lesson 3 KC1
39
Lesson 3 Ex2
ENVIRONMENT To meet a certain air quality
standard, an automobile must have a fuel
efficiency of not less than 27.5 miles per
gallon. Write an inequality to describe this
situation.
Words Fuel efficiency of at least 27.5 miles per
gallon
Variable Let f fuel efficiency in miles per
gallon.
Inequality f 27.5
Answer The inequality is f 27.5.
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Lesson 3 CYP2
CAFETERIA The school cafeteria allows each
student no more than 2 servings of dessert during
lunch. Write an inequality to describe this
situation.
A. s lt 2 B. s gt 2 C. s 2 D. s 2

1. A
2. B
3. C
4. D

41
Lesson 3 Ex3
Determine Truth of an Inequality
A. For the given value, state whether the
inequality is true or false.s 9 lt 4, s 6
s 9 lt 4 Write the inequality.
3 lt 4 Simplify.
Answer The sentence is true.
42
Lesson 3 Ex3
Determine Truth of an Inequality
B. For the given value, state whether the
inequality is true or false.
Write the inequality.
Replace a with 36.
14 13 Simplify.
Answer The sentence is false.
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Lesson 3 CYP3
A. For the given value, state whether the
inequality is true or false.12 m gt 7, m 5
A. true B. false C. sometimes true D. cannot be
determined

1. A
2. B
3. C
4. D

44
Lesson 3 CYP3
B. For the given value, state whether the
inequality is true or false.
A. true B. false C. sometimes true D. cannot be
determined

1. A
2. B
3. C
4. D

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Lesson 3 Ex4
Graph Inequalities
A. Graph x gt 10 on a number line.
Answer
The open circle means the number 10 is not
included in the graph.
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Lesson 3 Ex4
Graph Inequalities
B. Graph x 10 on a number line.
Answer
The closed circle means the number 10 is included
in the graph.
47
Lesson 3 Ex4
Graph Inequalities
C. Graph x lt 10 on a number line.
Answer
The open circle means the number 10 is not
included in the graph.
48
Lesson 3 Ex4
Graph Inequalities
D. Graph x 10 on a number line.
Answer
The closed circle means the number 10 is included
in the graph.
49
Lesson 3 CYP4
A. Graph x lt 3 on a number line.

1. A
2. B
3. C
4. D

50
Lesson 3 CYP4
B. Graph x gt 3 on a number line.

1. A
2. B
3. C
4. D

51
Lesson 3 CYP4
C. Graph x 3 on a number line.

1. A
2. B
3. C
4. D

52
Lesson 3 CYP4
D. Graph x 3 on a number line.

1. A
2. B
3. C
4. D

53
Lesson 3 Ex5
Write an Inequality
Write the inequality for the graph.
A closed circle is on 38, so the point 38 is
included in the graph. The arrow points to the
right, so the graph includes all numbers greater
than or equal to 38.
Answer The inequality is x 38.
54
Lesson 3 CYP5
Write the inequality for the graph.
A. x lt 7 B. x gt 7 C. x 7 D. x 7

1. A
2. B
3. C
4. D

55
End of Lesson 3
56
Lesson 4 Menu
Five-Minute Check (over Lesson 8-3) Main Idea Key
Concept Addition and Subtraction
Properties Example 1 Solve an Inequality Using
Subtraction Example 2 Solve an Inequality
Using Addition Example 3 Graph Solutions of
Inequalities Example 4 Real-World Example
57
Lesson 4 MI/Vocab

• Solve inequalities by using the Addition and
  Subtraction Properties of Inequality.

58
Lesson 4 KC1
59
Lesson 4 Ex1
Solve an Inequality Using Subtraction
Solve y 5 gt 11. Check your solution.
y 5 gt 11 Write the inequality. y 5
5 gt 11 5 Subtract 5 from each side.
y gt 6 Simplify. To check your solution, try any
number greater than 6. Check y
5 gt 11 Write the inequality.
12 gt 11 This statement is true.
?
Answer The solution is y gt 6.
60
Lesson 4 CYP1
Solve x 9 lt 13.
A. x lt 22 B. x lt 4 C. x lt 4 D. x gt 4

1. A
2. B
3. C
4. D

61
Lesson 4 Ex2
Solve an Inequality Using Addition
Solve 21 d 8. Check your solution.
21 d 8 Write the inequality. 21
8 d 8 8 Add 8 to each side.
13 d Simplify.
Answer The solution is 13 d or d 13.
62
Lesson 4 CYP2
Solve m 8 lt 2. Check your solution.
A. m gt 10 B. m lt 6 C. m lt 6 D. m lt 10

1. A
2. B
3. C
4. D

63
Lesson 4 Ex3
Graph Solutions of Inequalities
Write the inequality.
64
Lesson 4 Ex3
Graph Solutions of Inequalities
Simplify.
Answer
Graph the solution.
Answer
65
Lesson 4 CYP3

1. A
2. B
3. C
4. D

66
Lesson 4 Ex4
BOWLING Katya took 12 to the bowling alley.
Shoe rental costs 3.75. What is the most she can
spend on games and snacks?
Explore We need to find the greatest amount Katya
can spend on games and snacks. Plan Let x
represent the amount Katya can spend on games and
snacks. Write an inequality to represent the
problem. Recall that at most means less than or
equal to.
67
Lesson 4 Ex4
Words Cost of shoes plus cost of games and snacks
must be less than or equal to total.
Variable Let x equal the cost of games and snacks.
Inequality 3.75 x 12
Solve 3.75 x 12 Write the inequality.
3.75 3.75 x 12 3.75 Subtract 3.75 from
each side. x
8.25 Simplify.
68
Lesson 4 Ex4
Check Check by choosing an amount less than or
equal to 8.25, say, 6. Then Katya would spend
3.75 6 or 9.75 in all. Since 9.75 lt 12,
the answer is reasonable.
Answer The most Katya can spend on games and
snacks is 8.25.
69
Lesson 4 CYP4
MOVIES Danielle has 10 to take to the movies.
If the cost of a ticket is 4.50, what is the
most she can spend on snacks?
A. 5.50 B. 6.00 C. 6.50 D. 14.50

1. A
2. B
3. C
4. D

70
End of Lesson 4
71
Lesson 5 Menu
Five-Minute Check (over Lesson 8-4) Main
Ideas Key Concept Multiplication and Division
Properties Example 1 Multiply or Divide by a
Positive Number Example 2 Standardized Test
Example Key Concept Multiplication and Division
Properties Example 3 Multiply or Divide by a
Negative Number
72
Lesson 5 MI/Vocab

• Solve inequalities by multiplying or dividing by
  a positive number.

• Solve inequalities by multiplying or dividing by
  a negative number.

73
Lesson 5 KC1
74
Lesson 5 Ex1
Multiply or Divide by a Positive Number
A. Solve 9x 54. Check your solution.
9x 54 Write the inequality.
Divide each side by 9.
x 6 Simplify.
Answer The solution is x 6. You can check
this solution by substituting 6 or a number less
than 6 into the inequality.
75
Lesson 5 Ex1
Multiply or Divide by a Positive Number
Write the inequality.
Multiply each side by 9.
d gt 36 Simplify.
Answer The solution is d gt 36. You can check
this solution by substituting 36 or a number
greater than 36 into the inequality.
76
Lesson 5 CYP1
A. Solve 3y gt 21. Check your solution.
A. y gt 63 B. y gt 7 C. y lt 18 D. y lt 7

1. A
2. B
3. C
4. D

77
Lesson 5 CYP1
A. p 2 B. p 3 C. p 18 D. p 18

1. A
2. B
3. C
4. D

78
Lesson 5 Ex2
Martha earns 9 per hour working at a fast food
restaurant. Which inequality can be used to find
how many hours she must work in a week to earn at
least 117? A 9x lt 117 B 9x 117 C 9x gt
117 D 9x 117
Read the Test ItemYou are to write an inequality
to represent a real-world problem. Solve the
Test Item
Words Amount earned per hour times number of
hours is at least amount earned each week.
79
Lesson 5 Ex2
Variable Let x represent the number of hours
worked.
Inequality 9 ? x 117
Answer The answer is B.
80
Lesson 5 CYP2
Ed earns 6 per hour working at the library.
Which inequality can be used to find how many
hours he must work in a week to earn more than
100?
A. 6x lt 100 B. 6x 100 C. 6x 100 D. 6x gt 100

1. A
2. B
3. C
4. D

81
Lesson 5 KC2
82
Lesson 5 Ex3
Multiply or Divide by a Negative Number
Write the inequality.
Multiply each side by 5 and reverse the symbol.
Answer x 35 Check this result. Graph the
solution x 35.
83
Lesson 5 Ex3
Multiply or Divide by a Negative Number
B. Solve 9x lt 27 and check your solution. Then
graph the solution on a number line.
9x lt 27 Write the inequality.
Divide each side by 9 and reverse the symbol.
Answer x gt 3 Check this result. Graph the
solution, x gt 3.
84
Lesson 5 CYP3
A. x lt 18 B. x lt 2 C. x lt 18 D. x gt 18

1. A
2. B
3. C
4. D

85
Lesson 5 CYP3
B. Solve 5x 40 and check your solution. Then
graph your solution on a number line.
A. x 45 B. x 8 C. x 8 D. x 8

1. A
2. B
3. C
4. D

86
End of Lesson 5
87
Lesson 6 Menu
Five-Minute Check (over Lesson 8-5) Main
Idea Example 1 Solve a Two-Step
Inequality Example 2 Reverse the Inequality
Symbol Example 3 Real-World Example
88
Lesson 6 MI/Vocab

• Solve inequalities that involve more than one
  operation.

89
Lesson 6 Ex1
Solve a Two-Step Inequality
Solve 5x 13 gt 83 and check your solution. Graph
the solution on a number line.
5x 13 gt 83 Write the inequality. 5x
13 13 gt 83 13 Subtract 13 from each side.
5x gt 70 Simplify.
Divide each side by 5.
Answer x gt 14 Simplify.
BrainPOPSolving Inequalities
90
Lesson 6 Ex1
Solve a Two-Step Inequality
Check 5x 13 gt 18 Write the inequality.
88 gt 83 The solution checks.
?
Graph the solution, x gt 14.
Answer x gt 14
91
Lesson 6 CYP1
Solve 3x 9 lt 18 and check your solution. Graph
the solution on a number line.
A. x lt 3 B. x lt 9 C. x gt 3 D. x gt 9

1. A
2. B
3. C
4. D

92
Lesson 6 Ex2
Reverse the Inequality Symbol
Solve 7 4a 23 2a and check your solution.
Graph the solution.
7 4a 23 2a Write the inequality. 7
4a 2a 23 2a 2a Add 2a to each side.
7 2a 23 Simplify. 7 7 2a 23 7
Subtract 7 from each side.
2a 16 Simplify.
Divide each side by 2 and change to .
Answer a 8 Simplify.
93
Lesson 6 Ex2
Reverse the Inequality Symbol
Check your solution by substituting a number
greater than or equal to 8.
Graph the solution, a 8.
Answer
94
Lesson 6 CYP2
Solve 8 2x lt 5x 7 and check your solution.
Graph the solution on a number line.

1. A
2. B
3. C
4. D

95
Lesson 6 Ex3
RUNNING José wants to run a 10k marathon.
Generally, you will have enough endurance to
finish a race that is 3 times your average daily
distance. If the length of his current daily run
is 2 kilometers, how many kilometers should he
increase his daily run to have enough endurance
for the race?
Words 3 times 2 plus amount of increase is
greater than or equal to desired distance
Variable Let d the amount of increase.
Inequality 3 ? (2 d) 10
96
Lesson 6 Ex3
3(2 d) 10 Write the inequality.
6 3d 10 Use the Distributive Property. 6
3d 6 10 6 Subtract 6 from each side.
3d 4 Simplify.
Divide each side by 3.
Simplify.
97
Lesson 6 Ex3
98
Lesson 6 CYP3
BACKPACKING A person weighing 168 pounds has a
7-pound backpack. If three times the weight of
your backpack and its contents should be less
than your body weight, what is the maximum weight
for the contents of the pack?

1. A
2. B
3. C
4. D

99
End of Lesson 6
100
CR Menu
Five-Minute Checks Image Bank Math Tools
Solving Two-Step Equations Two-Step
Equations Solving Inequalities
101
5Min Menu
Lesson 8-1 (over Chapter 7) Lesson 8-2 (over
Lesson 8-1) Lesson 8-3 (over Lesson 8-2) Lesson
8-4 (over Lesson 8-3) Lesson 8-5 (over Lesson
8-4) Lesson 8-6 (over Lesson 8-5)
102
IB 1
To use the images that are on the following three
slides in your own presentation 1. Exit this
presentation. 2. Open a chapter presentation
using a full installation of Microsoft
PowerPoint in editing mode and scroll to the
Image Bank slides. 3. Select an image, copy it,
and paste it into your presentation.
103
IB 2
104
IB 3
105
IB 4
106
5Min 1-1
(over Chapter 7)
Which of the following options correctly states
and explains whether the given relation is a
function? (1, 2), (0, 1), (2, 1), (0, 2)
A. No 0 is paired with1 and 2. B. No 1 is
paired with 2 and 0. C. Yes there is no
many-to-one relation present. D. Yes there is no
one-to-many relation present.

1. A
2. B
3. C
4. D

107
5Min 1-2
(over Chapter 7)
Find the x-intercept and y-intercept for the
graph of 2x y 6.
A. 2, 1 B. 3, 1 C. 2, 6 D. 3, 6

1. A
2. B
3. C
4. D

108
5Min 1-3
(over Chapter 7)
Find the slope of the line that passes through
the pair of points A(4, 2) and B(4, 4).

1. A
2. B
3. C
4. D

109
5Min 1-4
(over Chapter 7)
State the slope and the y-intercept for the graph
of the equation x 2y 8.

1. A
2. B
3. C
4. D

110
5Min 1-5
(over Chapter 7)
A. (1, 1) B. (2, 5) C. (2, 3) D. (1, 1)

1. A
2. B
3. C
4. D

111
5Min 2-1
(over Lesson 8-1)
Solve 2x 15 7x.

1. A
2. B
3. C
4. D

112
5Min 2-2
(over Lesson 8-1)
Solve 5a 3a 18.

1. A
2. B
3. C
4. D

113
5Min 2-3
(over Lesson 8-1)
Solve 1.3 3b b 0.3.
A. 1.4 B. 1.04 C. 0.4 D. 0.14

1. A
2. B
3. C
4. D

114
5Min 2-4
(over Lesson 8-1)
Solve 4x 7 5x 25.

1. A
2. B
3. C
4. D

115
5Min 2-5
(over Lesson 8-1)
Solve 7.5 n 2.7n 1.
A. 5 B. 4 C. 4.8 D. 5.8

1. A
2. B
3. C
4. D

116
5Min 2-6
(over Lesson 8-1)
What is the solution of 6 2a 2a 6?
A. 3 B. 1 C. 0 D. 3

1. A
2. B
3. C
4. D

117
5Min 3-1
(over Lesson 8-2)
Solve 2(x 5) 8.
A. 13 B. 9 C. 6.5 D. 4.5

1. A
2. B
3. C
4. D

118
5Min 3-2
(over Lesson 8-2)
Solve 3(2a 1) 42.
A. 6.8 B. 7.1 C. 7.3 D. 7.5

1. A
2. B
3. C
4. D

119
5Min 3-3
(over Lesson 8-2)
Solve 6(n 4) 3(n 3).
A. 11 B. 2.3 C. 2.5 D. 5

1. A
2. B
3. C
4. D

120
5Min 3-4
(over Lesson 8-2)
Solve 5(x 4) 2(x 2.5).
A. 1 B. 2.1 C. 5 D. 8.3

1. A
2. B
3. C
4. D

121
5Min 3-5
(over Lesson 8-2)
Find the dimensions of the rectangle shown in
the figure.The perimeter is 90 meters.
A. w 8 m l 27 m B. w 9 m l 31 m C. w
19 m l 71 m D. w 10 m l 35 m

1. A
2. B
3. C
4. D

122
5Min 3-6
(over Lesson 8-2)
Which equation has no solution?
A. 12n 6 2(n 1) B. 8n 7 5(n 5) C. 5(n
4) 8 5n 20 D. 4(2n 6) 4(n 3)

1. A
2. B
3. C
4. D

123
5Min 4-1
(over Lesson 8-3)
Write an inequality for the sentence. A number
decreased by 7 is at most 9.

1. A
2. B
3. C
4. D

124
5Min 4-2
(over Lesson 8-3)
Write an inequality for the sentence. There are
more than 500 students (s) at Candlewood Middle
School.

1. A
2. B
3. C
4. D

125
5Min 4-3
(over Lesson 8-3)
For n 4, state whether the inequality 15 n lt
9 is true or false.
A. true B. false

1. A
2. B

126
5Min 4-4
(over Lesson 8-3)
For a 7, state whether the inequality 6a 42
is true or false.
A. true B. false

1. A
2. B

127
5Min 4-5
(over Lesson 8-3)
Write the inequality for the graph.

1. A
2. B
3. C
4. D

128
5Min 4-6
(over Lesson 8-3)
If Mike collects 3 more model planes, he will
have at least 10 model planes. Which inequality
represents this situation?

1. A
2. B
3. C
4. D

129
5Min 5-1
(over Lesson 8-4)
Solve the inequality k 5 gt 2.
A. k gt 7 B. k lt 7 C. k gt 7 D. k lt 7

1. A
2. B
3. C
4. D

130
5Min 5-2
(over Lesson 8-4)

1. A
2. B
3. C
4. D

131
5Min 5-3
(over Lesson 8-4)

1. A
2. B
3. C
4. D

132
5Min 5-4
(over Lesson 8-4)

1. A
2. B
3. C
4. D

133
5Min 5-5
(over Lesson 8-4)
Solve the inequality 8 lt x (4).
A. x gt 12 B. x lt 12 C. x lt 12 D. x gt 12

1. A
2. B
3. C
4. D

134
5Min 5-6
(over Lesson 8-4)
Tina can spend 20 at most on 2 birthday
presents. If she spends 9.50 on one present,
which inequality represents all the possible
amounts p that she can spend on other presents?

1. A
2. B
3. C
4. D

135
5Min 6-1
(over Lesson 8-5)
Solve the inequality 2x gt 22.
A. x gt 11 B. x gt 20 C. x lt 11 D. x lt 20

1. A
2. B
3. C
4. D

136
5Min 6-2
(over Lesson 8-5)

1. A
2. B
3. C
4. D

137
5Min 6-3
(over Lesson 8-5)

1. A
2. B
3. C
4. D

138
5Min 6-4
(over Lesson 8-5)
Solve the inequality 0.8r lt 24.
A. r lt 30 B. r gt 30 C. r lt 0.3 D. r gt 0.3

1. A
2. B
3. C
4. D

139
5Min 6-5
(over Lesson 8-5)

1. A
2. B
3. C
4. D

140
5Min 6-6
(over Lesson 8-5)
The product of an integer and 9 is less than
45. Find the least integer that meets this
condition.
A. 6 B. 5 C. 5 D. 6

1. A
2. B
3. C
4. D

141
End of Custom Shows
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