Question

Determine whether the sequence is arithmetic or geometric.

Sequence 1: –10, 20, – 40, 80, ...
Sequence 2: 15, – 5, – 25, – 45, ...
Which of the following statements are true regarding Sequence 1 and Sequence 2.


A. Sequence 2 is arithmetic and Sequence 1 is geometric.

B. Sequence 1 is arithmetic and Sequence 2 is geometric.

C. Both sequences are geometric.

D. Both sequences are arithmetic.

Answer 1

A. Sequence 2 is arithmetic and Sequence 1 is geometric

Explanation:

Hello,

Answer A

-10,20,-40,80,.... is geometric= Sequence 1

15,-5,-25,-45.... is arithmetic= Sequence 2