Grade 8 Function Characteristics Worksheet

This worksheet focuses on identifying and analyzing key characteristics of functions for 8th-grade students, including domain, range, intercepts, and behavior.

Grade 8 Math AlgebraFunctionsFunction Characteristics

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Includes

Multiple ChoiceTrue / FalseFill in the BlanksShort AnswerCustom

Standards

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

Topics

mathalgebrafunctionsgrade 8

7 sections · Free to use · Printable

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Function Characteristics

Name:

Date:

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

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

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

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

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

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

2. What is the domain of the function f(x) = x + 5?

All real numbers

All positive numbers

x > 0

x < 5

1. A vertical line test can be used to determine if a graph represents a function.

True

False

2. The range of a function refers to all possible input values.

True

False

1. The set of all possible input values for a function is called the .

2. The is the set of all possible output values for a function.

1. Describe in your own words what makes a relation a function.

2. Consider the function y = 2x - 1. If the domain is {1, 2, 3}, what is the range?

Plot the following points and determine if the graph represents a function. Explain your reasoning.

Points: (0, 4), (1, 2), (2, 0), (1, -2), (0, -4)