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15 December, 15:53

What is the common difference of the arithmetic sequence?

7,2, - 3, - 8. - 13 ...

A)

-20

B)

--5

5

D)

20

+3
Answers (1)
  1. 15 December, 16:06
    0
    Answer: - 5

    Explanation: The common difference is the difference between each of the terms in the sequence. Notice that to get from 7 to 2, we must subtract 5. In the same way, to get from 2 to - 3, we must subtract 5.

    So - 5 is your common difference.
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