Question

Determine if the sequence below is arithmetic or geometric and determine

common difference / ratio in simplest form.
22, 16, 10, ...

Answer 1

It is arithmetic

Explanation:

Using the rule T2-T1

We see that 16-22 is -6

We can also try T3-T2

We see that 10-16 is also -6

Their is a constant common difference and that constant common difference is -6.

Hope that helps :)