Question

Which of the following is an arithmetic sequence where a1 = 9 and d= 7?

A) 0, 9, 18, 27, 36,...
B) 9, 16, 23, 30, 37, ...
C) 0,7, 14, 21, 28,..
OD 7, 16, 25, 34, 43,...

Answer 1

B.

Explanation:

9 is the first term then we keep adding common difference d = 7 to get the rest of the terms.

9, 9 + 7, 9 + 7 + 7, and so on.

= 9, 16, 23, 30, 37......