Multiple Variables

Multiple Variables
Introduction

Algebraic expressions can contain more than one variable, with each variable representing a different unknown quantity. Using multiple variables allows a single expression to model c...

At a school art fair, students earn points for helping with different jobs.

Each student starts with 0 points. They earn 5 points for every poster design and 3 points for every display board they set up.

Since the number of posters and display boards can change, we can use an expression with 2 variables to show the total points.