Question

Which sequences are geometric? Check all that apply. –2.7, –9, –30, –100, ... –1, 2.5, –6.25, 15.625, ... 9.1, 9.2, 9.3, 9.4, ... 8, 0.8, 0.08, 0.008, ... 4, –4, –12, –20, ...

Answer 1

1 ,2nd and 4th are in geometric progression

Answer 2

first , second & forth are in geometric progretion