Geometric Sequence part 2 9­26­16.notebook
September 26, 2016
Daily Quiz
Geometric Sequences part 2
2) Simplify
­3(4­2)4
1) Given the sequence,
3, ­6, 12, ­24, ...
EQ: How do you use the explicit formula to find a term for a geometric sequence? a) Why is it geometric?
b) Write the explicit formula
Sep 22­8:56 AM
Review Exponents
Sep 22­8:59 AM
You try them
(­3) =
2 (3) = 2 Sep 26­7:34 AM
(2)3 = (­2)3 =
3(4)2 = ­3(­4)2
2(3)3 = ­2(­3)3 = Sep 22­8:59 AM
we do
Write the explicit formula. Then find f(6) and f(7)
­3, ­12, ­48
3(­2)2
­4(2)2 = ­2(­3)2 = Sep 26­7:52 AM
Sep 22­8:59 AM
1
Geometric Sequence part 2 9­26­16.notebook
you do
Write the explicit formula. Then find f(6) and f(7)
4, 8, 16,....
September 26, 2016
you do
Write the explicit formula. Then find the 6th and the 7th term ­2, 6, ­18,...
Sep 22­8:59 AM
Sep 22­8:59 AM
fraction
Write the explicit formula. Then find f(6) and f(7)
3, ­6, 12, ­24, ...
Sep 22­8:59 AM
Find the common ratio, write the explicit formula, then find f(6)
we do
Find the common ratio, write the explicit formula, then find f(6)
Sep 30­7:26 PM
Come up with a geometric sequence.
Write its explicit formula
Find whatever term you want (not the next one in the sequence)
Turn to your partner and give them your sequence. They gotta answer your question
Dec 1­3:56 PM
Sep 26­7:38 AM
2
Geometric Sequence part 2 9­26­16.notebook
Summary
Answer the essential question
Write a geometric sequence. September 26, 2016
Exit Ticket
Given the geometric sequence
4, 8, 16,...
a) Write the Explicit Formula
Write its explicit formula
Then find whatever term you want answer the essential question
Sep 26­7:36 AM
b) Find the 8th term
Sep 26­7:36 AM
5 Geometric Sequences
Create 5 different geometric sequences, write the common ratio, and write the explicit formula for each
Oct 1­6:42 AM
3