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Determine if the sequence below is arithmetic or geometric and determine the
common difference / ratio in simplest form.
3, 12, 21, ...

User Toufek Khoury
by
2.6k points

1 Answer

26 votes
26 votes

Answer:

sequence is arithmetic

common difference is 7

Explanation:

common difference

12-3=7

d=7

User JATMON
by
2.5k points