ACTIVITY II
State whether each sequence is geometric or not. If yes, write the common ratio.
Examples: 7, 5, 25, 125,...
ANSWER: Geometric Sequence, r = 5.
Examples: 2, 4, 6, 8, 10
ANSWER: Not a Geometric Sequence

1.) 5, 20, 80, 320, ...
2.) 7, 14, 21, 28, ...
3.) -10, 10, -10, 10,
4.) 1. 0.5, 0.25, 0.125, ...
5.) 1/2, 3/2, 9/2, 27/2,...​