SOLUTION: find a formula for the general term an of the sequence assuming the pattern of the first few terms continues. {1, -4, -9, -14, -19, ...} Assume the first term is a1. an = (un

Algebra ->  Equations -> SOLUTION: find a formula for the general term an of the sequence assuming the pattern of the first few terms continues. {1, -4, -9, -14, -19, ...} Assume the first term is a1. an = (un      Log On


   



Question 1169191: find a formula for the general term an of the sequence assuming the pattern of the first few terms continues. {1, -4, -9, -14, -19, ...}
Assume the first term is a1.
an = (unknown)

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
the difference is -5
an=a1+d(n-1)
=1+(-5)(n-1) or 1+-5n+5
an=-5n+6