Question

decide if the sequence is arithmetic. if yes, state the next 3 terms and the common difference.

1) -5, -7,-11,-13,-15.......

2) .5, 1, 1.5, 2, 2.5 ......

3) 14,11,8,5,2 .....

Answer 1

1) No
2) Yes: 3, 3.5, 4
3) Yes: -1, -4, -7

Answer 2

can you explain how you got it @greenleaf800073

Answer 3

Just see if the next number is in a sequence

such as 1,2,3 each one is +1
this can happen in any way