SOLUTION: The first three terms of an arithmatic progression are -1049, -1046, -1043. which term of this progression will be the first to be positive?

Algebra ->  Matrices-and-determiminant -> SOLUTION: The first three terms of an arithmatic progression are -1049, -1046, -1043. which term of this progression will be the first to be positive?      Log On


   

Question 862565: The first three terms of an arithmatic progression are -1049, -1046, -1043.
which term of this progression will be the first to be positive?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

 -1049 + (n-1)3 > 0

          (n-1) > 1049/3

             n > 1 + 349 2/3

  351st term

-1049 + (350)3 = 1