3 years ago

A sequence starts 1,5,9,13,17 What’s the formula for the nth term of this sequence??

2 answers:

6 0

This is an arithmetic sequence, since it's pattern is +4.

n1 = 1

d = 4

n = 1 + (n-1)(4) <-------------- This is the formula for the nth term of the sequence.

N76 [4]3 years ago

6 0

The pattern is going up by 4 so you take away 4
1-4=-3

The nth term = 4n-3

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