Graphing Inequalities on a Number Line

Graphing Inequalities On A Number Line

Introduction

A number line is a useful way to represent all the values that satisfy an inequality. Graphing inequalities makes it easy to see whether a value is included in the solution set and whether the solutions a...

Suppose you are going to an amusement park. One ride allows only children who are 48 inches or taller.

You measure your height and want to know who can ride. Let h represent a person’s height in inches.

Since the ride is for anyone 48 inches or taller, we can write the inequality as h ≥ 48.

To graph this inequality, draw a numb...