Question

Given the following geometric sequence, find the common ratio: {225, 45, 9, ...}.

5
-5
1/5
-1/5

Answer 1

1/5

Explanation:

Answer 2

in the sequence, a,b,c,d... the common ratio is b/a or c/b or d/c etc



so
common ratio in 225 and 49 and 9 is
49/225 or 9/45=1/5

the common ratio is 1/5