Geometric Sequences.notebook
October 29, 2012
Geometric Sequences
* Common ratio (r)
* Oct 23­12:22 PM
1
Geometric Sequences.notebook
October 29, 2012
Determine whether each sequence is an arithmetic, geometric, or neither. 1. 1, ­5, ­11, ­17,...
2. 3. 108, 36, 12, 4,...
4. ­2, 4, ­6, 8,...
Oct 23­1:40 PM
2
Geometric Sequences.notebook
October 29, 2012
Find the next three terms of each geometric sequence.
1. 64, 16, 4,...
2. 2, ­12, 72,...
3. 3750, 750, 150,... 4. 4, 28, 196,...
Oct 23­1:42 PM
3
Geometric Sequences.notebook
October 29, 2012
Write an equation for the nth term of the geometric sequence 896, ­448, 224,... Find the 8th term.
Oct 23­1:43 PM
4
Geometric Sequences.notebook
October 29, 2012
Write an equation for the nth term of the geometric sequence 3584, 896, 224,... Find teh 6th term.
Oct 23­1:43 PM
5
Geometric Sequences.notebook
October 29, 2012
Recursive Formula
* Uses the previous term
* n­1 previous term
Given the 1st term and the common difference find the recursive formula and the next 3 terms.
1. Oct 23­1:45 PM
6
Geometric Sequences.notebook
October 29, 2012
2. Oct 23­1:51 PM
7
Geometric Sequences.notebook
October 29, 2012
3. Oct 23­1:51 PM
8