Solved Examples and Worksheet for Graphing Absolute Value Functions
Q1
Which of the following graphs represents the function
y
= |
x
+ 3| ?
A
. Graph 4
B
. Graph 3
C
. Graph 2
D
. Graph 1
Solutions
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Step: 1
y
= |
x
+ 3|
[Write the function.]
Step: 2
x
- 5
- 4
- 3
- 2
- 1
y
= |
x
+ 3|
2
1
0
1
2
[Make a table of values]
Step: 3
The graph of
y
= |
x
+ 3| is as shown.
[Plot the points from the table of values of
y
= |
x
+ 3| and join them with a smooth curve.]
Step: 4
Therefore, graph 1 represents the given function.
Correct Answer is :
Graph 1
Q2
Which of the following graphs represents the function
y
= - |2
x
| - 1 ?
A
. Graph 1
B
. Graph 4
C
. Graph 3
D
. Graph 2
Solutions
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Step: 1
y
= - |2
x
| - 1
[Write the function.]
Step: 2
[Make a table of values.]
Step: 3
The graph of
y
= - |2
x
| - 1 is as shown.
[Plot the points from the table of values of
y
= - |2
x
| - 1 and join them with a smooth curve.]
Step: 4
Therefore, graph 2 represents the given function.
Correct Answer is :
Graph 2
Q3
Which of the following graphs represents the function
y
= - |2
x
| + 1 ?
A
. Graph 2
B
. Graph 3
C
. Graph 1
D
. Graph 4
Solutions
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Step: 1
y
= - |2
x
| + 1
[Write the function.]
Step: 2
x
- 2
- 1
0
1
2
y
= |-2
x
+ 1|
- 3
-1
1
-1
- 3
[Make a table of values.]
Step: 3
The graph of
y
= - |2
x
| + 1 is as shown.
[Plot the points from the table of values of
y
= - |2
x
| + 1 and join them with a smooth curve.]
Step: 4
Therefore, graph 3 represents the given function.
Correct Answer is :
Graph 3
Q4
Which of the following graphs represents the function
y
= - 3|
x
| + 1 ?
A
. Graph 2
B
. Graph 4
C
. Graph 3
D
. Graph 1
Solutions
Share
Step: 1
y
= - 3|
x
| + 1
[Write the function.]
Step: 2
x
- 2
- 1
0
1
2
y
= |-3
x
+ 1|
- 5
-2
1
-2
- 5
[Make a tableof values.]
Step: 3
The graph of
y
= - 3|
x
| + 1 is as shown.
[Plot the points from the table of values of
y
= - 3|
x
| + 1 and join them with a smooth curve.]
Step: 4
Therefore, graph 4 represents the given function.
Correct Answer is :
Graph 4
Q5
Which of the following graphs represents the function
y
= |
x
+ 3| - 2?
A
. Graph 2
B
. Graph 4
C
. Graph 3
D
. Graph 1
Solutions
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Step: 1
y
= |
x
+ 3| - 2
[Write the function.]
Step: 2
x
- 6
- 5
- 4
- 3
- 2
-1
0
y
= |
x
+ 3| - 2
1
0
-1
-2
- 1
0
1
[Make a table of values.]
Step: 3
The graph of
y
= |
x
+ 3| - 2 is as shown.
[Plot the points from the table of values of
y
= |
x
+ 3| - 2 and join them with a smooth curve.]
Step: 4
Therefore, graph 1 represents the given function.
Correct Answer is :
Graph 1
Q6
Which of the following graphs represents the function
y
= |2
x
- 3| ?
A
. Graph 4
B
. Graph 2
C
. Graph 1
D
. Graph 3
Solutions
Share
Step: 1
y
= |2
x
- 3|
[Write the function.]
Step: 2
x
-1
0
1
2
3
4
y
= |2
x
- 3|
5
3
1
1
3
5
[Make a table of values.]
Step: 3
The graph of
y
= |2
x
- 3| is as shown.
[Plot the points from the table of values of
y
= |2
x
- 3| and join them with a smooth curve.]
Step: 4
Therefore, graph 2 represents the given function.
Correct Answer is :
Graph 2
Q7
Which of the following graphs represents the function
y
= - |
x
3
| ?
A
. Graph 4
B
. Graph 1
C
. Graph 3
D
. Graph 2
Solutions
Share
Step: 1
y
= - |
x
3
|
[Write the function.]
Step: 2
x
-2
-1
0
1
2
y
= - |
x
3
|
-8
-1
0
-1
-8
[Make a table of values.]
Step: 3
The graph of
y
= - |
x
3
| is as shown.
[Plot the points from the table of values of
y
= - |
x
3
| and join them with a smooth curve.]
Step: 4
Therefore, graph 3 represents the given function.
Correct Answer is :
Graph 3
Q8
Which of the following graphs represents the function
y
= 2|
x
| - 3 ?
A
. Graph 1
B
. Graph 2
C
. Graph 3
D
. Graph 4
Solutions
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Step: 1
y
= 2|
x
| - 3
[Write the function.]
Step: 2
x
-3
-2
-1
0
1
2
3
y
= 2|
x
|-3
3
1
-1
-3
-1
1
3
[Make a table of values.]
Step: 3
The graph of
y
= 2|
x
| - 3 is as shown.
[Plot the points from the table of values of
y
= 2|
x
| - 3 and join them with a smooth curve.]
Step: 4
Therefore, graph 4 represents the given function.
Correct Answer is :
Graph 4
Q9
Which of the following graphs represents the function
y
= |
x
- 3| - 1 ?
A
. Graph 3
B
. Graph 1
C
. Graph 2
D
. Graph 4
Solutions
Share
Step: 1
y
= |
x
- 3| - 1
[Write the function.]
Step: 2
x
0
1
2
3
4
5
6
y
= |
x-3
|-1
2
1
0
-1
0
1
2
[Make a table of values.]
Step: 3
The graph of
y
= |
x
- 3| - 1 is as shown.
[Plot the points from the table of values of
y
= |
x
- 3| - 1 and join them with a smooth curve.]
Step: 4
Therefore, graph 3 represents the given function.
Correct Answer is :
Graph 3
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Related Topic
Absolute Value
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