Question

Which sequences are geometric? Check all that apply.

–2, –4, –6, –8, –10, …
16, –8, 4, –2, 1
–15, –18, –21.6, –25.92, –31.104, …
4, 10.5, 17, 23.5, 30, …
625, 125, 25, 5, 1, …

Answer 1

the answer is

2. 16, –8, 4, –2, 1

3. –15, –18, –21.6, –25.92, –31.104, …

5. 625, 125, 25, 5, 1, …

Answer 2

16, -8,4,-2,1
-15,-18, -21.6, -25.92, -31.104,...
625, 125, 25, 5, 1,...
these are the correct ones. sorry it took so long to get an answer