SOLUTION: 1. Find k to make this trinomial a perfect square: xsquare + 3x + k Thank you very much for your help. I am lost with this homework.

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: 1. Find k to make this trinomial a perfect square: xsquare + 3x + k Thank you very much for your help. I am lost with this homework.      Log On


   

Question 230966: 1. Find k to make this trinomial a perfect square:
xsquare + 3x + k

Thank you very much for your help. I am lost with this homework.
Answer by user_dude2008(1862) About Me  (Show Source):
You can put this solution on YOUR website!
take half of x-coefficient 3 ----> (1/2)(3)=3/2 and square it: (3/2)^2=9/4 this is k

Answer: ---> is a perfect square