Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 3 - Adding and Subtracting Fractions - 3.5 Order Relation and the Order of Operations - 3.5 Exercises - Page 244: 37

Answer

A number line is a horizontal line with numbers plotted at various intervals with dots and/or tick marks.

Work Step by Step

A number line is a horizontal line with numbers plotted at various intervals with dots and/or tick marks. The numbers increase from left to right and therefore the number line can be used to visually represent the "location" of a number and to show how it relates to other nearby numbers. For example, see the plot of the number $1/4=0.25$ on a number line.
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