Question

In this arithmetic sequence, what is the common difference? 11, 8, 5, 2, ... 3 -3 5 -1

Answer 1

common difference is when you subtract one term from the one before it
11 then 8
8-11=-3
common difference is -3

second one
3 then -3 then 5 then -1
this is not aritmetic sequence, there is not common differnce here