Which sequences are geometric? Check all that apply.
10, 7.5, 5.625, 4.21875, …
160, 40, 10, 2.5, …
20, 70, 245, 857.5, …
13, 16.5, 20, 23.5, …
5, 5.5, 6.05, 6.655, …
16, 17.1, 18.2, 19.3, …

Question

Which sequences are geometric? Check all that apply.
10, 7.5, 5.625, 4.21875, …
160, 40, 10, 2.5, …
20, 70, 245, 857.5, …
13, 16.5, 20, 23.5, … 
5, 5.5, 6.05, 6.655, …
16, 17.1, 18.2, 19.3, …

Rodney · Answer

Help please

Ultrilliam · Answer

@563blackghost

Rodney · Answer

Anyone? Help

563blackghost · Answer

Geometric Sequences have a common ratio. If you divide the second with the first you will get a ratio, if you divide the third with the second you will get the same ratio. This is a geometric sequence.

Can you try this out and tell me what you find?

Rodney · Answer

@563blackghost Ok Thank you for the help :D

563blackghost · Answer

np :)

Allison · Answer

Welcome to Question Cove! @Rodney

Allison · Answer

And @josecorona

bobbieanne · Answer

welcome at questioncove @Allison @Ultrilliam @563blackghost

Rodney · Answer

@Allison Thank you I'm starting to like this website :D

josecorona · Answer

thanks for the welcome buddy i apreciatted that ;D

Allison · Answer

Hope you stay! (: