Question

Observe the sequences below.

I. 3, 6, 9, 12,
II. 3, 9, 27, 81, ...
III. 2, 4, 8, 16, ...
IV. 3, 5, 7, 9, ...
Which of these are geometric sequences?
ll and IV
ll and III
III only
land IV

Answer 1

ll and lll

Explanation:

Geometric sequences have a common ratio which means it is the fixed amount multiplied from one term to the next and ll and lll are the only ones that multiply from one term to the next