College Algebra (11th Edition)

Published by Pearson
ISBN 10: 0321671791
ISBN 13: 978-0-32167-179-0

Chapter R - Review Exercises - Page 74: 24


$\left\{ -12,-6,-0.9,-\sqrt4,0,\dfrac{1}{8},6 \right\}$

Work Step by Step

$\bf{\text{Solution Outline:}}$ Use the definition of rational numbers. $\bf{\text{Solution Details:}}$ Rational numbers are numbers which can be expressed as the ratio of two integers. These include integers, fractions, and non-terminating but repeating decimals. Hence, the rational numbers of the given set, $ K=\left\{ -12,-6,-0.9,-\sqrt{7},-\sqrt4,0,\dfrac{1}{8}, \dfrac{\pi}{4},6,\sqrt{11} \right\} $ are \begin{array}{l}\require{cancel} \left\{ -12,-6,-0.9,-\sqrt4,0,\dfrac{1}{8},6 \right\} .\end{array}
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