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Unformatted text preview: 9.3 Geometric Sequences
Wednesday, November 02, 2011
6:49 AM Agenda (11/23)
1. Notebook Quiz/Check (I will walk around and look for 2 things as you are filling
out the Notebook Quiz).
2. Classwork (see below)
3. Lesson: 9.3 Geometric Sequences
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Classwork
Find the next 4 terms in this Find the missing terms x, 13, 43, y, z, 1213,…
sneaky sequence:
in the following
1, 5, 4, 3, 7, 1, 10, 1, 13, 3… arithmetic sequence:
In the above sequence,
__, 7,__, __, 22, 27
each term after the first
term, x, is 4 more
than 3 times the previous
term. What is the sum
of x + z?
The fourth term of an
Determine the seating
arithmetic sequence is 10
capacity of an
and the sixth term is 16.
auditorium with 36 rows
Determine the sequence.
of seats if there are 15
seats in the first row, 18
in the second row, 21 in
the third row, and so on.
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Lesson: 9.3 Geometric Sequences
Goal: Define geometric sequences and find summations DOD
Geometric Sequence: A sequence in which the ratio of any two consecutive terms
is constant.
If , then there exists such that Ch_9 Page 1 Common ratio:
nth Term of a Geometric Sequence Sum of a Finite Geometric Sequence Sum of an Infinite Geometric Sequence Examples
Determine whether the sequence is geometric. If so, find the common ratio. Find the nth term of the given geometric sequence. Ch_9 Page 2 Find the Sum Ch_9 Page 3 ...
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 Spring '11
 byrns
 Math

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