Graphing Proportional Relationships: Unit Rate

Graphing Proportional Relationships: Unit Rate

Introduction

Have you ever compared prices at a store or checked your speed while riding a bike? These situations use unit rates. A unit rate compares two quantities when one quantity is 1. Graphing proportion...

Have you noticed how the total cost of the same kind of notebook increases evenly with each one you buy?

This steady pattern is called a proportional relationship, where one quantity is always a constant multiple of another.

We can write this relationship as y = kx, where k is the constant rate, also called the unit rate.

You c...