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130314 11.3 Geometric Sequences.notebook 1 March 15, 2013 Topic: 11.3 Geometric Sequences Question: How is a geometric sequence different from an arithmetic sequence? Homework: pages 591 #1335 odds (Due Monday) Objective: Find terms, write equations and use the formula for geometric sequences. Announcements: TEST next Thursday/Friday > chapters 10,9,11 DUE: 11.1 and 11.2 WarmUp What is a geometric sequence? a sequence where consecutive terms have a common ratio

Topic: 11.3 Geometric Sequences - teacherweeteacherwee.weebly.com/.../3/...geometric_sequences.pdf · Write an equation for the nth term of the geometric sequence 4, 8, 16, . . Find

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Page 1: Topic: 11.3 Geometric Sequences - teacherweeteacherwee.weebly.com/.../3/...geometric_sequences.pdf · Write an equation for the nth term of the geometric sequence 4, 8, 16, . . Find

130314 11.3 Geometric Sequences.notebook

1

March 15, 2013

Topic: 11.3 Geometric SequencesQuestion: How is a geometric sequence different from an arithmetic sequence?

Homework: pages 591 #13­35 odds (Due Monday)

Objective: Find terms, write equations and use the formula for geometric sequences.

Announcements: TEST next Thursday/Friday ­­> chapters 10,9,11DUE: 11.1 and 11.2

Warm­Up

What is a geometric sequence?a sequence where consecutive terms have a common ratio

Page 2: Topic: 11.3 Geometric Sequences - teacherweeteacherwee.weebly.com/.../3/...geometric_sequences.pdf · Write an equation for the nth term of the geometric sequence 4, 8, 16, . . Find

130314 11.3 Geometric Sequences.notebook

2

March 15, 2013

What is the formula for the nth term of a geometric sequence?

How is this formula different from the arithmetic sequence formula?

Page 3: Topic: 11.3 Geometric Sequences - teacherweeteacherwee.weebly.com/.../3/...geometric_sequences.pdf · Write an equation for the nth term of the geometric sequence 4, 8, 16, . . Find

130314 11.3 Geometric Sequences.notebook

3

March 15, 2013

indicated term...

indicated term

Use your formula to find the indicated terms:

n=6 n=12

Page 4: Topic: 11.3 Geometric Sequences - teacherweeteacherwee.weebly.com/.../3/...geometric_sequences.pdf · Write an equation for the nth term of the geometric sequence 4, 8, 16, . . Find

130314 11.3 Geometric Sequences.notebook

4

March 15, 2013

this means that the fourth term is 108

Page 5: Topic: 11.3 Geometric Sequences - teacherweeteacherwee.weebly.com/.../3/...geometric_sequences.pdf · Write an equation for the nth term of the geometric sequence 4, 8, 16, . . Find

130314 11.3 Geometric Sequences.notebook

5

March 15, 2013