Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 3 - Section 3.1 - Graphing Equations - Exercise Set: 23

Answer

(2,8) is a solution.

Work Step by Step

We are given that $y=x^{3}$. In order to see whether each ordered pair is a solution of the given equation, we can plug in the ordered pair to the equation. For (2,8): $2^{3}=2\times2\times2=8$ So, (2,8) is a solution. For (3,9): $3^{3}=3\times3\times3=27\ne9$ So, (3,9) is not a solution.
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