If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Unit: Rational expressions, equations, & functions

Intro to rational expressions

Learn

Simplifying rational expressions

Learn

Practice

Multiplying & dividing rational expressions

Learn

Practice

Adding & subtracting rational expressions

Learn

Practice

Nested fractions

Learn

Practice

Solving rational equations

Learn

Practice

Direct and inverse variation

Learn

Practice

End behavior of rational functions

Learn

Practice

Discontinuities of rational functions

Learn

Practice

Graphs of rational functions

Learn

Practice

Modeling with rational functions

Learn

Practice

Rational inequalities

Learn

Partial fraction expansion

Learn

Practice

Unit test

Test your understanding of Rational expressions, equations, & functions with these 15 questions.

About this unit

This topic covers: - Simplifying rational expressions - Multiplying, dividing, adding, & subtracting rational expressions - Rational equations - Graphing rational functions (including horizontal & vertical asymptotes) - Modeling with rational functions - Rational inequalities - Partial fraction expansion