## Thinking Mathematically (6th Edition)

Published by Pearson

# Chapter 5 - Number Theory and the Real Number System - Chapter 5 Test - Page 337: 16

#### Answer

$-7, -\frac{4}{5}, 0, 0.25, \sqrt{4}, \frac{22}{7}$

#### Work Step by Step

RECALL: Rational numbers are numbers that can be expressed as a quotient of two integers. Note that: $0.25 = \frac{1}{4}$ $0=\frac{0}{1}$ $\sqrt4 = 2$ Thus, the rational numbers in the given set are: $-7, -\frac{4}{5}, 0, 0.25, \sqrt{4}, \frac{22}{7}$

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