Lesson 5.1: Introduction to Rational Expressions
Completion requirements
Rational expressions are found in formulas used in trades and the sciences. For example, speed is a rational expression of distance over time, or \(\frac{d}{t}\). The volume of a cone can be written as the rational expression \(\frac{\pi r^2h}{3}\). Chemistry uses rational expressions when discussing concentration as the number of moles of solute over volume of solvent, \(\frac{n}{V}\).

In Lesson 5.1, you will


In Lesson 5.1, you will
- simplify rational expressions,
- identify non-permissible values for rational expressions, and
- determine equivalent rational expressions.