Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 1 - Expressions, Equations, and Inequalities - 1-1 Patterns and Expressions - Practice and Problem-Solving Exercises - Page 7: 15

Answer

The n-th figure would have 4n-1 circles

Work Step by Step

The answer is if you multiply by 4 to the input (n) and then subtract 1, you will get the right output. We could make a chart.
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