Determine if the sequence below is arithmetic or geometric and determine the common difference / ratio in simplest form.
1, comma, 5, comma, 25, comma, point, point, .
1,5,25,...
The sequence is geometric because there is a common ratio between the terms.
To find the common ratio, we divide each term by the previous term.
5/1 = 5
25/5 = 5
The common ratio is 5.