CK-12 Foundation
Ck 12: Algebra: Equations With Radicals on Both Sides
[Free Registration/Login may be required to access all resource tools.] Solve equations that involve more than one radical expression.
CK-12 Foundation
Ck 12: Algebra: Excluded Values for Rational Expressions
[Free Registration/Login may be required to access all resource tools.] Learn how to simplify rational expressions and find excluded values.
CK-12 Foundation
Ck 12: Algebra: Multiplication of Rational Expressions
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to multiply rational expressions. Students examine guided notes, review guided practice, watch instructional videos and attempt...
CK-12 Foundation
Ck 12: Algebra: Multiplication of Rational Expressions
[Free Registration/Login may be required to access all resource tools.] This lesson covers multiplying two or more rational expressions. Students examine guided notes, review guided practice and attempt practice problems.
CK-12 Foundation
Ck 12: Algebra: Sums and Differences
[Free Registration/Login may be required to access all resource tools.] This lesson covers adding and subtracting rational expressions where the denominators are different.
CK-12 Foundation
Ck 12: Algebra: Radical Equations
[Free Registration/Login may be required to access all resource tools.] Eliminate radical signs to find the solutions of equations involving radicals.
CK-12 Foundation
Ck 12: Algebra: Applications of Rational Expressions
[Free Registration/Login may be required to access all resource tools.] In this lesson students solve applications that involve adding and subtracting rational expressions. Students watch a video tutorial, explore guided notes and...
CK-12 Foundation
Ck 12: Algebra: Excluded Values for Rational Expressions
[Free Registration/Login may be required to access all resource tools.] Learn how to simplify rational expressions and find excluded values.
CK-12 Foundation
Ck 12: Algebra: Multiplication of Rational Expressions
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn how to multiply rational expressions. Students examine guided notes, review guided practice, watch instructional videos and attempt...
Paul Dawkins
Paul's Online Notes: Math Notes: Excluded Values in Rational Functions
A description and example of which values are excluded from the domain of a rational function.
University of Utah
University of Utah: Rational Number Tutorial
Use this site to learn the basics about rational numbers in this tutorial. There are exercises to check for understanding are included.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Real World Applications Work Problems
A lesson plan incorporating the use of real world work, rate, and time problems. Examples are provided and strategies for effective use of the lesson are included.
Oswego City School District
Regents Exam Prep Center: Algebraic Fractions
Fractions containing variables can challenge students--and for teachers to teach. Here are explanations of what algebraic fractions are, how they might be simplified, how they are multiplied, divided, added, and subtracted.
![Conejo Valley Unified School District: Rational Functions [Pdf] Handout](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Conejo Valley Unified School District: Rational Functions [Pdf] Handout")
Other
Conejo Valley Unified School District: Rational Functions [Pdf]
Explains what rational functions are and their features. Describes transformations of rational functions, discontinuities for different types, and gives examples of how to solve problems involving discontinuities. Also discusses the...
Other
Mainland High School: Algebra Lab: Solving Rational Equations
Rational equations are examined through notes and practice problems. Hints and solutions are included with the practice problems.
Other
Mesa Community College: Solving Rational Equations Practice Problems
Eight rational equations to solve. Answers and complete solutions are available.
Other
Chandler Unified School District: Algebra 2: Solving Rational Equations [Pdf]
A 4-page student handout with exercises on solving rational equations using different methods.
Purple Math
Purplemath: Rational Expressions: Finding the Domain
Use this Purplemath lesson to learn everything you've ever wanted to know about simplifying rational expressions. You'll find great explanations and examples on this page.
Purple Math
Purplemath: Multiplying Rational Expressions
Not only will you learn how to multiply and divide rational expressions, but Purplemath shows you what common mistakes are made so you can avoid them.
Purple Math
Purplemath: Solving Rational Equations
Learners are introduced to rational equations. The lesson consists of detailed examples and explanations.
Mathematics Archives
Math Archives: Visual Calculus: Rational Functions
An explanation of what comprises the domain of a rational function. The information is brief, but formulas and examples are given along with additional links.
Washington State University
Washington State University: Extraneous Solutions
The steps to solving a rational equation are presented along with an explanation of extraneous roots.
University of Toronto (Canada)
University of Toronto: Rational Numbers
This site from the University of Toronto provides a look at rational numbers and properties of the rational number system.
Oregon State University
Oregon State University: Review of Rational Functions
This lesson on rational functions has a section on finding the domain which includes an example problem.