Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 11 - Rational Expressions and Functions - 11-1 Simplifying Rational Expressions - Lesson Check - Page 655: 4


a) The expression is not rational. b) The expression is rational.

Work Step by Step

a) This is because rational expressions require there to be a polynomial divided by a polynomial. It contains $\sqrt x$ and this is does not have a degree meaning it is not a polynomial. b) This is because it meets the requirement of being a polynomial divided by a polynomial.
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