Sequence

The sequences below are either arithmetic sequences or geometric sequences. For each sequence, determine whether it is arithmetic or geometric, and write the

formula for the term a, of that sequence.

(a) 2,-4,8,...

(b) -7,-5, -3,...

Type

O Arithmetic

O Geometric

O Arithmetic

O Geometric

term formula

9-0

4-0

808

0+0 0-0 0.0

X

10

$

12

E

G