IXL - Domain and range of relations (Algebra 1 practice)

What is the domain of this relation?

(
0
,
2
)
(
1
,
9
)
(
–
9
,
6
)
(
–
4
,
7
)

{

–

}

{

}

{

}

{

–

}

ref_doc_title.

Learn with an example

question

What is the range of this relation?

(
8
,
–
9
)
(
5
,
–
3
)
(
–
4
,
6
)
(
–
3
,
–
2
)
(
6
,
8
)
(
8
,
6
)

{

–

}

{

–

}

{

–

}

{

–

}

key idea

A relation is any set of ordered pairs. The range of a relation is the set of

y-values

of those ordered pairs.

solution

To find the range, find the

y-values

of the ordered pairs.

(

–

)

(

–

)

(

–

)

(

–

)

(

)

(

)

The range is

{

–

}

Notice that even though 6 is the

y-value

of more than one ordered pair, it only needs to be listed once.

Looking for more? Try these:

Lesson: Domain and range

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Questions
answeredQuestions

Time
elapsedTime

hr	min	sec
00	00	06

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Teacher tools

Work it out

Not feeling ready yet? These can help:

M.1Relations: convert between tables, graphs, mappings, and lists of points

Lesson: Domain and range

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