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 - Concept Byte - Page 45: 4

Answer

Irrational number

Work Step by Step

$\sqrt {5}$ cannot be written as a fraction with integers in the numerator and denominator. Anything added to or subtracted from an irrational number (unless it cancels out to 0) will always be an irrational number, so the result will be an irrational number.
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