Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - 1-3 Real Numbers and the Number Line - Got It? - Page 18: 3


a. Natural number b. Rational number c. Rational number d. Irrational number

Work Step by Step

a. Because $\sqrt 9$ is 3 and it belongs to natural number . b. $\frac{3}{10}$ = 0.3(3) which the decimals follow a pattern therefore it is rational number . c. The decimal does not follow any patterm therefore it belongs to rational number group. d. The result of $\sqrt 12$ does not follow any pattern but never ends --> It is irrational number.
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