Question

Common ratio of a sequence

Answer 1

to find the ration
divide 2nd term by first one

Answer 2

Common ratio is the ratio between 2 sequential terms.

r=tn/t(n-1)

Answer 3

does it have to be the 2nd and first term? or can it be the 4th and 3rd?

Answer 4

\[r = \frac{ a_2 }{ a_1 } , \frac{ a_3 }{ a_2}\]
nope...

Answer 5

you can divide 3rd by 2nd one or 4th by 3rd one

next term by previous one
(if that make sense);)

Answer 6

yup, got it. it's -3/2

Answer 7

yes right :-)