Posted by **Mark** on Saturday, April 28, 2012 at 11:16pm.

A sequence has t(sub1) = 5 and t(sub2) = 15

a. if the sequence is geometric, what is the common ratio? What do t(sub3) and t(sub4) equal?

b. if the sequence is arithmetic, what is the common ratio? What do t(sub3) and t(sub4) equal?

- math -
**Steve**, Sunday, April 29, 2012 at 10:38am
a. r=3, so you have 5,15,45,135,...

b. d=10, do 5,15,25,35,...

## Answer this Question

## Related Questions

- Sequences...again - Sequence T1 is obtained by adding the corresponding terms of...
- Math - A sequence is formed by adding together the corresponding terms of a ...
- Maths - Eric thinks of 2 sequences.One is geometric and the other arithmetic....
- Math Help!!! - determine whether each sequence is arithmetic or geometric. find ...
- Maths - 1..The first 2 terms of a geometric progression are the same as the ...
- MATH - A new sequence is formed by adding together the corresponding terms of a ...
- math - Determine whether each sequence is arithmetic or geometric. Find the next...
- math - in an arithmetic sequence the common difference is equal to 2.the first ...
- Can someone help me?! - The 1st, 5th and 13th terms of an arithmetic sequence ...
- math - The 1st,5th,13th term of an arithmetic sequence are the first 3 terms of ...

More Related Questions