Question

What is the general rule for the sequence?

–8, 3, 14, 25, …

Answer 1

First identify whether it is a geometric sequence or an arithmetic sequence

Answer 2

And how do i do that?
My answer choices are

A. 19n – 11
B. 3n – 11
C. 11n – 19
D. n – 9

Answer 3

If it's a geometric sequence, it'll have a common ratio;
if it's an arithmetic sequence, it'll have a common difference

Answer 4

i dont know what it is :(

Answer 5

Common ratio is, well you guessed it, the ratio that's common throughout the whole sequence

Answer 6

So its a geometric sequence?

Answer 7

I didn't say so

Answer 8

So if the ratio between the first term and the second term
is the same as that between the second term and the third term,
it is a geometric sequence

And if the difference between the first term and the second term
is the same as that between the second term and the third term,
it is an arithmetic sequence.