Posted by **liz** on Tuesday, March 31, 2009 at 5:11pm.

find the common ratio of each sequence:

1. 8,20,50,125......?

2. 0.48,0.9,1.8,3.6.....?

- algebra 1 -
**Reiny**, Tuesday, March 31, 2009 at 5:20pm
to find the common ration, divide any term by the term before it.

e.g. r = 50/20 = ....

let me know what you come up with for both of your questions.

- algebra 1 -
**Gabriela**, Thursday, May 22, 2014 at 7:30pm
The ratio of the first sequence is 2.5 so the recursive formula is going to be an= 2.5(an-1)

## Answer This Question

## Related Questions

- Algebra--One Quick Question - 31. Determine whether the sequence 7, 21, 35, 49 ...
- Algebra - Need to get these problems checked-- 31. Determine whether the ...
- pre-calculus urgent - Please help me here as well to clarify more my ...
- Algebra ASAP - pls pls help out A geometric sequence begins 36, 9, 9/4, 9/16, 9/...
- Algebra - Find the common ratio of the sequence below. 2, 4, 8, 16,... Is the ...
- Find the common difference or ratio in each..? - Find the common difference or ...
- pre algebra - find the common ratio in the sequence 8, 12, 18, 27,..... then ...
- per-algebra - whats the sequence,common difference or common ratio and the next ...
- maths - The common ratio r of a geometric sequence satisfies the quadratic ...
- Math - A sequence is formed by adding together the corresponding terms of a ...

More Related Questions