Question

Find the common difference of the arithmetic sequence
-17, -15, -13, ...

Answer 1

2

Explanation:

:0

Answer 2

term 1 - term 2 = sequence

so

-17-(-15) = -2

and if you minus the rest by -2 it will give you the next term

-15-(-2) = -13

-13-(-2) = -11