9000065302

Level: 
Project ID: 
9000065302
Accepted: 
1
Clonable: 
0
Easy: 
1
Find the formula for the \(n\)-th term of an arithmetic sequence with the first term \(a_{1} = 1\) and the second term \(a_{2} = -2\).
\(a_{n} = 4 - 3n,\ n\in\mathbb{N}\)
\(a_{n} = 1 - 2n,\ n\in\mathbb{N}\)
\(a_{n} = -2 + n,\ n\in\mathbb{N}\)
\(a_{n} = 3 + 2n,\ n\in\mathbb{N}\)