Posted by **Amy** on Monday, April 9, 2007 at 9:55am.

What is the difference between an arithmetic sequence and a geometric sequence?

In an arithmetic sequence, the difference between successive numbers is the same.

Example: 1, 3, 5, 7, 9..

In a geometric sequence, the ratio of successive numbers is the same.

Example: 1, 2, 4, 8, 16,...

Thanks so much!

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