CCGPS CA 3.8.2 Example 3

Author:
Walch Education
A geometric sequence is defined recursively by , with = 729. Find the first five terms of the sequence, write an explicit formula to represent the sequence, and find the eighth term.
GeoGebra Applet
  1. Use the recursive formula to find the first 5 terms of the sequence.
  2. The first term is = 729 and the constant ratio is , so the explicit formula is .
  3. Substitute 8 in for and evaluate.
This applet is provided by Walch Education as supplemental material for the CCGPS Coordinate Algebra program. Visit www.walch.com for more information on our resources.

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