Find the common difference of the sequence shown.
1/2, 1/4, 0,
-1/8
-1/4
-1/2

Common difference in Arithmetic sequences is defined as the fixed amount referring to the fact that the difference between two successive terms yields the constant value that was added. In order to know the common difference of the given sequence above, we just have to deduct 1/2 from 1/4 and the answer is -1/4. Therefore, the correct answer would be the third option. Hope this answer helps.

It is 7 because it is the absolute value

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