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Arithmetic Sequences - nth Term




 
Videos, worksheets, solutions, and activities to help Algebra II students learn about what is an arithmetic sequence and how to find the nth term in an arithmetic sequence.

What is an Arithmetic Sequence?
In an arithmetic sequence, the difference between two consecutive terms is always the same.

What is the formula for the nth term of an arithmetic sequence?
an = a1 + (n-1)d, where a1 is the first term and d is the common difference.

Arithmetic Sequences
This video covers identifying arithmetic sequences and finding the nth term of a sequence. It includes four examples.
Arithmetic Sequences: A Formula for the nth Term.
This video shows how to derive the formula to find the nth term of a sequence by considering an example. The formula is then used to solve some problems.



In this video we look at two different ways of finding the general term of an arithmetic sequence.
This video focuses on Arithmetic Sequences
Determining the nth Term.


 
nth Term of an Arithmetic Sequence
Learn to find the nth term of an arithmetic sequence


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You can use the free Mathway widget below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.


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