Arithmetic or Geometric
-4, 2, -1, 1/2
Geometric
-20, -23, -26, -29...
-3
2, 4, 6, 8,...
2
12, 14, 16, 18, 20, ...
Arithmetic
2, 2.5, 3, 3.5, 4, 4.5
Arithmetic
1.5, 2.0, 2.5, 3.0,...
.5
1, -2, 4, -8
-2
3, 8, 13, 18, 22
Arithmetic
2, 4, 6, 8
Arithmetic
-11, -18, -25, -32,...
-7
3, 3, 3, 3, ...
1
3, 7, 12, 18, 25, ...
Neither
-2, -4, -8, -16...
Geometric
2, 22, 42, 62...
20
2, -1, -1/2, 1/4,...
-1/2
375, 75, 15, 3/5, ...
Geometric
1, -1/2, 1/4, -1/8,...
Geometric
2.53, 2.56, 2.59, 2.62,...
0.03
100, 10, 1, 1/10
1/10
1, 1, 2, 3, 5, 8, 13, 21, 34, ...
SURPRISE while this doesn't look like a sequence this actually is a special sequence called the Fibonacci Sequence