Determine whether the sequences are arithmetic or geometric

Dominique Pace

Dominique Pace

Answered question

2022-03-25

Determine whether the sequences are arithmetic or geometric and write the n-th term formula
6,24,96,
15,17,19,

Answer & Explanation

Lesly Fernandez

Lesly Fernandez

Beginner2022-03-26Added 16 answers

a) First term: 6=6×4
Second term: 24=6×4
Third term: 96=6×4
Thus, it is a geometric sequence.
Now, the n-th term formula: an=6×4n1, where n=1,2,3,
b)First term: 15=13+2
Second term: 17=13+2×2
Third term: 19=13+2×3
Hence, this is an arithmetic sequence
The n-th term formula: an=13+2n
n=1,2,3

Do you have a similar question?

Recalculate according to your conditions!

Ask your question.
Get an expert answer.

Let our experts help you. Answer in as fast as 15 minutes.

Didn't find what you were looking for?