Sophia Learning
Sophia: Adding and Subtracting Rational Expressions in the Real World
Just like other kinds of expressions or functions, rational expressions can represent real world situations. In this tutorial, you will learn how to use rational expressions to represent naturally occurring scenarios involving addition...
Sector Matemática
Psu Matematica: Valorar Expresiones Algebraicas
This video explains how to evaluate an algebraic expression. [7:30]