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(an1)
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