Like what you saw?
Start your free trial and get immediate access to:
Watch 1-minute preview of this video

or

Get immediate access to:
Your video will begin after this quick intro to Brightstorm.

Arithmetic Sequences - Problem 18 331 views

Finding unknown terms in a number sequences is essentially the same as finding a mean. For an arithmetic sequence, you could find unknown terms if you knew the d, or difference value. To find d, start by writing an equation starting from your first known term, plus some number of d's equals your second known term. Once you have solved for d, you can find any term from the explicit formula.

Transcript Coming Soon!

Stuck on a Math Problem?

Ask Genie for a step-by-step solution