AnswersJunior Studies Math - A Mrs. Hitchcock 26-27Graphing Inequalities on a Number Line

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

20✔ 3040s

A
20
B
✔ 30
C
40
D
s

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