## Algebra 1

Published by Prentice Hall

# Chapter 1 - Foundations for Algebra - Chapter Review - 1-3 Real Numbers and the Number Line - Page 70: 32

Irrational

#### Work Step by Step

An irrational number is any number that cannot be expressed as a repeating or terminating decimal. Since $\pi$ cannot be expressed as a repeating or terminating decimal, it is irrational.

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