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.
Algebra 2 Common Core
by Hall, Prentice
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
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