Question

Determine whether each sequence is a geometric sequence If yes, Identify the common ratio

1. 4,12,36,108
2. 5,10,15,20
3. 120,-60,30,-15
4. -1,-4,16-64
5. 50,35,20
6. 625,125,25,5​

Answer 1

yes = 1 3 6

no = 2 4 5

Explanation:

Common ratios:

1 = 3

3 = -2

6 = 5