Question

Find the first five terms of each arithmetic sequence. a1=210, d= -40

Answer 1

210, 170, 130, 90, 50.

Explanation:

The nth term is a1 + (n - 1)d where a1 = the first term and d = common difference.

210, 210 - 40 , 210 - 2(40) , 210 - 3(40) , 210 - 4(40).

= 210. 170, 130, 90, 50.