Question

Which answer describes the type of sequence?

−99, −88, −66, −55, ...

1.arithmetic
2.geometric
3.neither arithmetic nor geometric

Answer 1

3. neither

Explanation:

There is no common difference:

-88 - -99 = 11 and -66 - -88 = 22

Also no common ratio:

-88/99 is not equal to -66/-88.

Answer 2

Neither arithmetic nor geometric.

Explanation: