Answers

2016-06-27T19:45:37+08:00
It is a6 because the common difference there is -5 . Correct me if I'm wrong thanks
0
2016-06-27T19:46:51+08:00
A₁ = 7
a₂ = 2
a₃ = -3
a₄ = -8
a₅ = -13
a₆ = -18

Therefore, a₆ is the arithmetic term.
1 5 1