Geometric or Not
1, 4, 9, ...
not geometric
2, 8, 32, ...
4
3, 15, ___, 375
75
2, 6, 18, ...
54
-1, 3, -9, 27, ... 5th?
-81
-2, 4, -8, ...
geometric
81, 27, 9, ...
1/3
81, 27, ___, ___, 1
9, 3
10, 50, 250, ...
1,250
-1, 2, -4, 8, ... 8th?
128
16, -12, 9, ...
geometric (r = -3/4)
24, 144, 864, ...
6
625, ___, 25, ___, 1
125, 5
8, 24, 72, ____
216
2, 6, 18, 54, ... 6th?
486
4, -12, 36, -108, ...
geometric (r = 3)
-15, -10, -20/3, ...
2/3
1/2, 1/3, ___, ...
2/9
2 592, 432, 72, ___
12
1, -5, 25, -125, ... 7th?
15, 625
0.3, 0.6, 0.12,0.24, 0.48, ...
not geometric
7/3, 14, 84, ...
6
-1/3, ___, -4/27, -8/81
-2/9
4, 24, 144,
5, 184
2, 8, 32, 128, ... 6th?
2, 048