Question

Please help memeemeemee

Answer 1

Answer: 6

Explanation:

`a_1=-1\ \ \ \ \ \ \ \ a_8=41\ \ \ \ \ \ \ \ d=?\\\\\boxed{a_n=a_1+d(n-1)}\\\\Hence,\\\\a_8=-1+d(8-1)\\\\41=-1+7d\\\\41+1=-1+7d+1\\\\42=7d\\\\`

Divide both parts of the equation by 7:

6=d

Thus, d=6

Answer 2

6

Explanation:

it is a8=a1 +(n-1)x d

41=-1+ 7xd

42/7=d

d=6