Write an equation that represents the "n"th term of the arithmetic sequence below.

Question

a_{n} = a_{1} + (n - 1) * d

{2, - 1, - 4 ,-7...}

a_{n} = 2n - 5

a_{n} = 3n - 1

a_{n} = - 3n - 10

a_{n} = - 3n + 5

Answer 1

a_{n} = - 3n + 5