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Sequences: Geometric Sequences 460


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About this Lesson

  • Type: Video Tutorial
  • Length: 79:48
  • Media: Flash video file
  • Use: Watch Online
  • Access Period: 90 Days
  • Posted: 08/04/2009

This lesson is part of the following series:

Sequences and Series (5 Lessons) (5 lessons, $19.80)

This 78 minute sequences lesson will show you how to use the general term formula to find any term in a geometric sequence as well as how to:
- identify a geometric sequence
- find the common ratio, the first term, the number of terms
- find and insert geometric means
- find a specific term
- use a system of equations to solve problems

Sample question: Insert 3 geometric means between 8 and 1/2.

This lesson contains explanations of the concepts and 20 example questions with step by step solutions plus 7 interactive review questions with solutions.

Lessons that will help you with the fundamentals of this lesson include:
- 085 Fractions (
- 115 The 5 Basic Exponent Laws (
- 160 Operations With Radicals (
- 165 The zero, Negative and Rational Exponents (
- 230 Solving Quadratic Equations by Factoring (

About this Author

Teacher Sydney
Teacher Sydney
65 lessons

Teacher Sydney is a certified teacher, B.A., B. Ed. (Math Major). She prepared a math help program consisting of 65 very comprehensive, plain and "no fluff" math video lessons.
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This is a 78 minute geometric sequences math help lesson.
Identify a geometric sequence
The terminology of a sequence
Using the general term formula to find:
- any term
- first term
- common ratio
- number of terms
The geometric mean
insert geometric mean into a geometric sequence

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