# Vertical Line Test Teacher Resources

Find Vertical Line Test lesson plans and worksheets

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Lesson Planet Curated

#### Krista King Math: Pre-Calculus

A precalculus playlist of 29-videos demonstrates the processes and includes step-by-step explanations of functions. The collection includes inverse trig functions, polar coordinates, graphing polar curves, parametric curves, analytic...

Curated OER

#### How Do You Use the Vertical Line Test to Figure Out if a Graph is a Function?

How does the vertical line test help you decide if the graph of an equation is a function? The instructor draws a graph and then draws the line of the equation. She demonstrates how to use the vertical line test to determine if the graph...

Curated OER

#### What's the Vertical Line Test?

Is the graph of the equation a function? Use the vertical line test to answer this question. The definition states that the vertical line can pass through the graph of the line no more than one time. The teacher demonstrates exactly what...

Shodor Education Foundation

#### Vertical Line Test

Connect the points to create a function. Using points given by the applet, pupils try to connect them to create a line that would pass the vertical line test. The resource keeps track of the number of sets the learner is able to identify...

Curated OER

#### How Do You Use the Vertical Line Test to Figure Out if a Graph is a Function?

CK-12 Foundation

#### Identify Functions and the Vertical Line Test: The Vertical Line Test

There's no easier test than the vertical line test. Learners drag a vertical line across the graphs of several relations in an interactive. They answer a set of challenge questions that focus on whether the graphs represent functions.

Krista King Math

#### Which Functions Pass the Vertical Line Test?!!

What is a function? Teachers have been asking pupils this question from the time they started their algebra careers. A helpful video walks through the process of using the vertical line test to determine a function while showing various...

CK-12 Foundation

#### Vertical Line Test: Exploration

What do vertical lines have to do with functions? Individuals slide a vertical line through four different graphs. They use that vertical line test to determine if the graphs represent functions.

Curated OER

#### Functions and the Vertical Line Test

Learners explore the concept of functions. In this function lesson, students determine if the graph is a function by using the vertical line test. Learners use an applet to explore the vertical line test on a variety of graphs.

Curated OER

#### Domain and Range

Relations, and functions, and line tests, oh my! An instructional slideshow demonstrates the definitions of a relation, a function, and the domain and range of a relation. Viewers then learn how to use mappings and vertical line tests to...

Northeast Arkansas Education Cooperative

#### Functions

Relationships can be good or bad, but functional relationships are the best! The video demonstrates relationships in a table or graph and what makes their qualities functional. Have your learners review functions and then go through a...

CK-12 Foundation

#### Algebraic Functions: Vertical Line Test

To be (a function) or not to be (a function). An easy-to-use interactive has pupils drag a vertical line onto several graphs to determine if they represent functions. Some challenge questions assess understanding of this idea.

Curated OER

#### Functions and the Vertical Line Test

Students examine functions and function notation. They use computer activities to discover how to graph functions, and conduct a vertical line test. Students describe spatial relationships using coordinate geometry.

Math Antics

#### What Are Functions?

Setup the idea of functions for the class. Using sets, the presentation introduces the concept of a function. The initial example uses a general function but then moves on to equations as functions. The video provides an example of an...

Northeast Arkansas Education Cooperative

#### Functions

One in, one out is what functions are about in a video explaining the rules and qualities of these relationships. Have your learners practice with ordered pairs, tables, mapping, and graphs, deciphering whether or not those relationships...

Curated OER

#### Functions - Intro and Inverses

Define the terms domain, range, function, vertical limit test, and linear function notation with your class. They can then, graph several equations applying the vertical line test to determine which are and which are not functions, write...

Krista King Math

#### Calculus - Functions

An understanding of the basics of a function is key to success in upper-level math courses! A video describes in detail the important aspects of functions including domain, range, combinations, compositions, and vertical line test.

Curated OER

#### Functions and Their Graphs

Use a worksheet to go over the basic concepts of relations and functions. Included are clear definitions and examples of relations, domain and range, and functions and the vertical line test. However, the problems are pretty basic. A...

Willow Tree

#### Functions

What makes a function a function? Learn the criteria for a relation defined as a function both numerically and graphically. Once young mathematicians define a function, they use function notation to evaluate it.

Alabama Learning Exchange

#### Building Functions: Inverse Functions from Tables and Graphs

Is the inverse a function? Scholars learn how to examine a function to answer this question. Using an online interactive, they examine the properties of inverse functions to compare to the original function.

Curated OER

#### Power Function Inverses

Pupils graph polynomial functions and analyze the graphs. They identify the inverse of the functions and find the domain and range. Learners will then label the functions as one to one and use the horizontal and vertical line test to...

CK-12 Foundation

#### Linear and Non-Linear Function Distinction: Domain and Range of a Function

Functions are special types of relations, but what makes them so special? Pupils use an interactive to slide a vertical line across six different graphs. Ten challenge questions then assess understanding of functions.

Mathispower4u

#### Introduction to Relations and Functions

Determine the relationship between relations and functions. An informative video shows pupils how to identify whether relations given as tables, ordered pairs, and graphs are functions. They also learn about independent and dependent...

Curated OER

#### Which Graphs are Functions?

In this graphing learning exercise, students use the vertical line test to determine if graphs are functions. This two-page learning exercise contains 8 problems.