Lesson Plan
West Contra Costa Unified School District

Comparing Rational Functions and Simplified Functions

For Teachers 10th - 12th Standards
What kind of functions have holes in their graphs? Here, the teacher guides the class on how to use the simplified function of a rational function to aid in the graphing of the original rational function. T-tables are used in order...
Worksheet
Curated OER

Graph, Identify Asymptotes, Find Domain and Range, for Eleven Simple Rational Functions

For Students 10th - 12th
Using this worksheet, pupils graph 11 simple rational functions. They also find asymptotes, domain, and range for each function. The solutions are provided.
Worksheet
Curated OER

Lesson 19: Rational Functions and Long Division

For Students 10th - 12th
Explore rational functions with this packet. A lot of information is provided, including several examples. Learners graph rational functions and find vertical, horizontal, and oblique asymptotes. This seven-page instructional activity...
Worksheet
Curated OER

Math Regents Exam Questions: Graphing Rational Functions

For Students 9th - 12th
In this graphing rational functions worksheet, high schoolers answer 18 multiple choice problems about rational functions.  Students determine values for a which a function is undefined given the equation of the function.
Unknown Type
University of Saskatchewan (Canada)

University of Saskatchewan: Algebra 2 Review

For Students 9th - 10th
A more advanced review of Algebra II concepts allows students to test their readiness for higher level math courses. Topics range from absolute value to rational expressions.
Handout
Wolfram Research

Wolfram Math World: Graphs

For Students 9th - 10th
MathWorld.com shows many types of discrete math graphs and provides links to related topics.
Unit Plan
Oregon State University

Oregon State University: Rational Functions

For Students 11th - 12th Standards
A look at graphs of rational expressions, finding properties of the graph by using calculus. Formulas included.
Handout
Richland Community College

Richland Community College: Rational Functions and Asymptotes

For Students 9th - 10th Standards
This site contains basic information on rational functions. Gives definition, how to find domain and roots, and how rational functions apply to asymptotes and holes in the graph.
Activity
Texas Instruments

Texas Instruments: Graphing Rational Functions

For Teachers 9th - 10th Standards
The activity summarizes vertical asypmtotes, horizontal asymptotes, slant asymptotes, x-intercepts, y-intercept of rational functions.
Website
Other

Franklin University: Rational Functions and Asymptotes [Pdf]

For Students 9th - 10th Standards
This site provides an introduction to rational functions. Topics that are included are finding the domain of a rational function, finding the horizontal and vertical asymptotes and graphing rational functions. There are many worked out...
Unknown Type
New York University

Nyu: Courant Institute of Mathematical Sciences: Rational Functions [Pdf]

For Students 9th - 10th Standards
This site provides a detailed explanation of rational functions by looking at numerous examples. Topics that are covered include domain, horizontal asymptotes, vertical asymptotes and graphing rational functions.
Website
Other

Binghamton University: Graphing Rational Functions [Pdf]

For Students 9th - 10th Standards
This site is a 16-page excerpt from a textbook that discusses the topic of graphing rational functions. The book includes numerous worked out examples. Topics that are covered include the domain of a rational function, zeroes of a...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Rational Functions

For Students 9th - 10th
Eighteen problems present a variety of problems working with various aspects of rational functions. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View...
Activity
Varsity Tutors

Varsity Tutors: Hotmath: Practice Problems: Graphing Rational Functions

For Students 9th - 10th Standards
Fourteen problems present a variety of practice graphing rational functions. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution" button to...
Graphic
Analyze Math

Analyze Math: Graphs of Rational Functions

For Students 9th - 10th Standards
Students explore the graph of a rational function given by its formula. The tutorial examines vertical and horizontal asymptotes. The activity consists of examples with solutions.
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: F if Graphing Rational Functions

For Teachers 9th - 10th Standards
In this task, learners interact with a Desmos app by moving sliders and making observations about features of the graphs and the structures of the expressions of the functions. Aligns with F-IF.C.7.d.
Handout
CK-12 Foundation

Ck 12: Algebra: Graphs of Rational Functions Study Guide

For Students 9th - 10th Standards
This comprehensive study guide highlights the main terms and formulas needed to understand graphs of rational functions. Examples are included.
Interactive
Curated OER

Graphs: Online Calculator

For Students 9th - 10th Standards
This resource presents an online calculator which allows you to graph rational functions. Requires Java plug-in.
Activity
Other

Math notes.com: Rational Functions

For Students 9th - 10th
A quick look at graphing rational functions, with investigationa ideas for using a graphing calculator.
Website
Other

Radford University: Rational Functions

For Students 9th - 10th Standards
This site from the Radford University provides a quick look at graphing rational functions, using a less rigorous approach that is done traditionally.
Unit Plan
University of Saskatchewan (Canada)

University of Saskatchewan: Triangles

For Students 9th - 10th
This site from the University of Saskatchewan provides an explanation of similar triangles, the Pythagorean theorem, and the distance between arbitrary points in a plane. Example problems for each of these concepts are provided.