What is the common ratio for geometric sequence: 5,15,45,135 ?

Question

asked Aug 3, 2022 198k views

1 Answer

Managarm · Answer 1 · 2022-08-09T16:50:23+0000

Answer:

the common ratio is 3

Explanation:

to solve for the common ratio, I like to take the second term and divide it by the first term

15/5 = 3

then I will check the rest of the terms

15*3 = 45

45*3 = 135

It looks like the common ratio is correct!