More Lessons for Intermediate Algebra
More Lessons for Algebra
A series of free, online Intermediate Algebra Lessons or Algebra II lessons.
Videos, worksheets, and activities to help Algebra students.
In this lesson, we will learn
- geometric sequences
- how to find the nth term in a geometric sequence
- geometric series
- how to find the sum of a geometric series
A list of numbers that follows a rule is called a sequence. Sequences whose rule is the multiplication of a constant are called geometric sequences, similar to arithmetic sequences that follow a rule of addition. Homework problems on geometric sequences often ask us to find the nth term of a sequence using a formula. Geometric sequences are important to understanding geometric series.
This video introduces geometric sequences.
Geometric Sequences (Introduction)
A Quick Intro to Geometric Sequences.
This video gives the definition of a geometric sequence and go through 4 examples, determining if each qualifies as a geometric sequence or not.
Geometric Sequences - Find the nth term
Geometric Sequences: A Formula for the' n - th ' Term.
This video derives the formula to find the 'n-th' term of a geometric sequence by considering an example. The formula to find another term of the sequence.
In this video we look at 2 ways to find the general term or nth term of a geometric sequence.
We can use what we know of geometric sequences to understand geometric series. A geometric series is a series or summation that sums the terms of a geometric sequence. There are methods and formulas we can use to find the value of a geometric series. It can be helpful for understanding geometric series to understand arithmetic series, and both concepts will be used in upper-level Calculus topics.
This video introduces geometric series.
How to find the sum of a geometric series.
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