AnswersSC-Mathematics 6Solving One-Step Equations: Multiplication and Division

Graphing Inequalities on a Number Line Answers

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1
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Select the statement that represents all the solutions of the inequality. d < 7

A
all rational numbers equal to 7
B
all integers less than 7
C
all rational numbers greater than 7
D
all rational numbers less than 7
2
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There are an even number ofa few✔ an infinite number ofa variable number of

A
an even number of
B
a few
C
✔ an infinite number of
D
a variable number of
3

equal to 30✔ greater than 30less than 30on the number line

A
equal to 30
B
✔ greater than 30
C
less than 30
D
on the number line
4

2030✔ 40s

A
20
B
30
C
✔ 40
D
s
5

Question text not available

Answers:
Draw circle at .:an open
Draw circle at .:30
Shade all numbers .:greater than 30
Check the graph of the solution by substituting in for the variable.:40
7

Check all that apply.

A
Draw an open circle at 25.
B
Draw a closed circle at 25.
C
Shade all numbers larger than 25.
D
Shade all numbers smaller than 25.
E
Shade all numbers to the left of 25.
F
Shade all numbers to the right of 25.
8

a blacka closed✔ an openan orange

Answers:
Draw circle at .:an open
Draw circle at .:30
Shade all numbers .:greater than 30
Check the graph of the solution by substituting in for the variable.:40
11

Check all that apply.

A
Draw a closed circle at 100.
B
Draw an open circle at 100.
C
Shade all numbers to the right of 100.
D
Shade all numbers to the left of 100.
E
150 is shaded, so substitute 150 in for the variable to check the graph of the solution.
F
50 is shaded, so substitute 50 in for the variable to check the graph of the solution.
12

How can she graph the solutions of the inequality?

A
Plot an open circle at 48 and shade left.
B
Plot a closed circle at 48 and shade left.
C
Plot an open circle at 48 and shade right.
D
Plot a closed circle at 48 and shade right.
13

Which mistakes did she make? Check all that apply.

A
The inequality should be s < 270.
B
The inequality should be s = 270.
C
The number line should have a closed circle at 270.
D
The number line should be shaded to the left.
E
The entire number line should be shaded.
14

The King Cobra is a roller coaster. It sells more than 900 tickets each day. What inequality can you write to show the ticket sales, t? How would you graph the solutions of the inequality?

Answer:

The inequality could be t > 900. Draw a number line so it includes 900. Draw an open circle on 900. Shade all the numbers greater than 900, or to the right.

15

20✔ 3040s

A
20
B
✔ 30
C
40
D
s

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