Pre-Calculus
11.3 Notes [D1]
Geometric Sequences
Name:
Geometric Sequence:
Rule for Geometric Sequence:
Example 1:
Write the first five terms of the sequence. What is the common ratio, ? Sketch the terms you
found. What kind of graph is it?
( )
Example 2:
Find the th term of the geometric sequence with the given first term
What is the fourth term?
Example 3:
Determine whether the sequence is geometric. If it is, find the common ratio.
a.
b.
and common ratio .
Example 4:
Determine the common ratio, the fifth term, and the th term of the geometric sequence.
a.
b.
Example 5:
Which term of the geometric sequence
Example 6:
The third term of a geometric sequence is
is
?
, and the sixth term is
Section 11.3 D1 HW p. 844 #1, 5-15 odds, 23-29 odds, 33-37 odds, 38
. Find the fifth term.
[38. Yes, the 7th term]