Write a rule or formula to represent the nth term of arithmetic sequence 18, 15, 12, 9, 6...

asked Feb 14, 2018 193k views

1 vote

by Sevil

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3 votes

the sequence with 18,15,12,9, and 6 is that you are just subtracting 3 by each number.

Ex:
18-3=15
15-3=12
12-3=9
9-3=6
:)

Sauronnikko answered Feb 18, 2018

8.1k points

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