Question

Find an explicit formula for the arithmetic sequence 170, 85, 0, -85,....

Answer 1

The arithmetic sequence is x - 85 for each one.

170 - 85 = 85
85 - 85 = 0
0 - 85 = -85
and so on

so you subtract 85 each time

hope this helps

Answer 2

Answer:

170-85(n-1)

Step-by-step explanation: