A number pattern has 5 terms. the first term is 13. the rule of the pattern is add 9 what are the 5 terms of the pattern?

Question

Carlo

Mathematics

12 March, 01:17

A number pattern has 5 terms. the first term is 13. the rule of the pattern is add 9 what are the 5 terms of the pattern?

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Answers (2)

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Julianna Whitney · Answer 1

An arithmetic sequence always has the rule:

a (n) = a+d (n-1), a=initial term, d=common difference, n=term number

In this case, a=13 and d=9 so

a (n) = 13+9n-9

a (n) = 9n+4

so the first 5 terms are:

13, 22, 31, 40, 49

Reuben Willis · Answer 2

13, 22, 31, 40, 49, 58