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: 13

Answer

Rational. See below

Work Step by Step

The sum of two numbers can only be irrational if one or both of the numbers are irrational. When you add two rational numbers, there are no irrational numbers involved. Therefore, the sum must be rational.
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