A certain arithmetic sequence has the recursive formula an = an-1 + d. If the common difference between the terms of the sequence is - 13, what term follows the term that has the value 13?

Question

Mathematics

Josephine Paul

28 December, 19:29

A certain arithmetic sequence has the recursive formula an = an-1 + d. If the common difference between the terms of the sequence is - 13, what term follows the term that has the value 13?

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Victoria Harding · Answer 1

In an Arithmetic sequence, each term is obtained by adding the common difference in the previous term as shown in the recursive formula.

The common difference of the sequence is - 13. This means, if we - 13 to a term we'll obtain the next term.

If a term is 13, the term that will be next to 13 can be obtained by adding - 13 to it.

So,

13 + (-13) = 13 - 13 = 0

Thus, the next term will be 0.