# How do you tell whether the sequence with the terms #a_2=8, a_4=16, a_6=26# is arithmetic?

##### 1 Answer

Jun 5, 2017

#### Answer:

There is NOT a constant difference, therefore the sequence is NOT arithmetic.

#### Explanation:

If a sequence is arithmetic, then the difference between consecutive terms is the same.

In this case, every second term is given, so the difference will be twice the common difference.

Is

There is NOT a constant difference, therefore the sequence is NOT arithmetic.

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