Question

1. is the following sequence arithmetic? if so, identify the common difference.

8, 5, 3, 2,...
○ yes, 1
○ no
○ yes, 2
○ yes, 3

Explanation:

Step1: Calculate first difference

$5 - 8 = -3$

Step2: Calculate second difference

$3 - 5 = -2$

Step3: Compare differences

$-3
eq -2$, so no common difference.

Answer:

No