1.
term number sequence A sequence B
0 -1 ¹/₂
1 2 1
2 5 2
3 8 4
4 11 8
5 14 16
6 17 32
2.
Every new term of sequence A is produced by adding 3 to the previous term
3.
Every new term of sequence B is produced by multipling the previous term by 2
4.
In a geometric sequence each term is found by multiplying the previous term by a constant. It means the sequence B is geometric, the constant is 2.