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Grade 8 Function Relations Worksheet

Explore function relations with this Grade 8 math worksheet, covering identification, domain, range, and graphical representation.

Grade 8 Math Functions OperationsFunction Relations
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Includes

Multiple ChoiceFill in the BlanksShort AnswerTrue / FalseCustom

Standards

CCSS.MATH.CONTENT.8.F.A.1CCSS.MATH.CONTENT.8.F.A.2CCSS.MATH.CONTENT.8.F.A.3

Topics

functionsrelationsgrade 8mathalgebra
7 sections · Free to use · Printable
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Function Relations

Name:

Date:

Score:

Read each question carefully and answer to the best of your ability. Show all your work when necessary.

1. Which of the following relations is NOT a function?

a

{ (1, 2), (2, 3), (3, 4) }

b

{ (1, 5), (2, 5), (3, 5) }

c

{ (1, 2), (1, 3), (2, 4) }

d

{ (0, 0), (1, 1), (2, 2) }

2. For the relation { (2, 4), (3, 6), (4, 8) }:

The domain is  .

The range is  .

3. If f(x) = 2x + 5, what is f(3)?

4. All linear equations represent functions.

T

True

F

False

5. Plot the following points on the coordinate plane and determine if the relation represents a function: ( -2, 1 ), ( -1, 0 ), ( 0, 1 ), ( 1, 2 ), ( 2, 3 )

-5-4-3-2-112345-5-4-3-2-112345

Does this relation represent a function?  

Explain your reasoning: