Grade 8 Function Relations Worksheet
Explore function relations with this Grade 8 math worksheet, covering identification, domain, range, and graphical representation.
Includes
Standards
Topics
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?
{ (1, 2), (2, 3), (3, 4) }
{ (1, 5), (2, 5), (3, 5) }
{ (1, 2), (1, 3), (2, 4) }
{ (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.
True
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 )
Does this relation represent a function?
Explain your reasoning:
Related Worksheets
Vertical Line Test Worksheet
A Grade 8 math worksheet to practice identifying functions using the vertical line test on various graphs.
Introduction to Mapping
Explore the fundamentals of mapping relationships between sets of numbers, including function identification and domain/range.
Function Evaluation Worksheet
Evaluate functions for given input values and interpret function notation at an 8th-grade level.
Domain and Range Worksheet
Explore the domain and range of various functions through graphs and sets of ordered pairs.
Domain and Range Worksheet
Explore the domain and range of various functions through graphs and sets of ordered pairs.
Introduction to Function Notation
A Grade 8 math worksheet introducing function notation, evaluating functions, and understanding input-output relationships.
Input-Output Tables Worksheet
Practice creating and analyzing input-output tables to understand function relationships.
Rate of Change Worksheet
This worksheet focuses on understanding and calculating the rate of change from various representations including tables, graphs, and equations for 8th-grade math students.