Algebra-1

Yes, the sequence 12,9,6,3 is an arithmetic sequence.

Explanation:

An arithmetic sequence is a sequence of numbers in which the difference between consecutive terms is constant. This difference is known as the common difference.

To determine if the sequence 12,9,6,3 is arithmetic, follow these steps:

 

Calculate the differences between consecutive terms:

The difference between the second term (9) and the first term (12) is:

9−12=−3

 

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