Which of the following is true regarding the sequence below?
7/12, 1/6,-1/4,-2/3
a the sequence is arithmetic because there is a common difference of -5/12
b the sequence is arithmetic because there is a common difference of 1.
c the sequence is not arithmetic because there is no common difference between the values of n.
d the sequence is not arithmetic because there is no common difference between the values of an

A.The sequence is arithmetic because there is a common difference of

Step-by-step explanation:

We are given that a sequence

The difference between consecutive terms are constant .When the difference between two consecutive terms is constant then the sequence is called arithmetic sequence.

Hence the given sequence is arithmetic sequence.

A.The sequence is arithmetic because there is a common difference of

-14 is the answer

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step-by-step explanation: