Functions

Videos and lessons to help Grade 8 students understand that a function is a rule that assigns to each input exactly one output. The graph of a function is the set of ordered pairs consisting of an input and the corresponding output.

Common Core: 8.F.1

Suggested Learning Targets

• I can determine if an equation represents a function.
• I can apply a function rule for any input that produces exactly one output.
• I can generate a set of ordered pairs from a function and graph the function.

Related Topics:

Common Core for Mathematics

More Math Lessons for Grade 8

Understanding functions: Lesson 1 of 6 (Common Core Standard 8.F.1)
In this lesson you will learn how to identify a function by investigating a real-world example.

Understanding functions: Lesson 2 of 6 (Common Core Standard 8.F.1)
In this lesson you will learn how to identify function properties by examining the input and output of real world examples.

Understanding functions: Lesson 3 of 6 (Common Core Standard 8.F.1)
In this lesson you will learn identify a function by analyzing its graph.

What is a function?

8.F.1 - Identify Functions
How to use the Vertical Line Test

Comparing functions
In this lesson you will learn how to compare two functions by analyzing an equation and a graph.

Comparing functions
In this lesson you will learn how to compare two functions by analyzing an equation and a table.

Comparing functions
In this lesson you will learn how to compare two functions by analyzing an equation and a verbal description.

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