Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter P - Section P.1 - Algebraic Expressions, Mathematical Models, and Real Numbers - Exercise Set: 142

Answer

A real number can not be both rational and irrational. By the simple definition of an irrational number being a real number that isn't rational, we can tell that a real number can't be both rational and irrational.

Work Step by Step

A real number can not be both rational and irrational. By the simple definition of an irrational number being a real number that isn't rational, we can tell that a real number can't be both rational and irrational.
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