Which of the following are geometric sequences? a: 5,10,20,40,80,160 b: 3,6,9,12,15,18 c: 10,5,2.5,1.25,0.625,0.3125 d:1,3,9,27,81

Stemie asked Nov 27, 2022

92,360 views

31 votes

Which of the following are geometric sequences?

a: 5,10,20,40,80,160
b: 3,6,9,12,15,18
c: 10,5,2.5,1.25,0.625,0.3125
d:1,3,9,27,81

Stemie asked Nov 27, 2022

2.5k points

Your comment on this question:

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Email me at this address if my answer is selected or commented on:Email me if my answer is selected or commented on

Privacy: Your email address will only be used for sending these notifications.

26 votes

Answer:

A, C, D

Explanation:

This is because the ratio between te consecutive terms are constant, that is ×2, ×0.5 and ×3 respectively

Nourza answered Dec 1, 2022

3.1k points

Email me at this address if a comment is added after mine:Email me if a comment is added after mine

Privacy: Your email address will only be used for sending these notifications.

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

1.6m questions

2.0m answers