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, …