SOLUTION: I was doing great until I ran into this one please help! Find all positive values for k for which each of the following can be factored x^2 + 5x + k Thank you very much!

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: I was doing great until I ran into this one please help! Find all positive values for k for which each of the following can be factored x^2 + 5x + k Thank you very much!       Log On


   

Question 105348: I was doing great until I ran into this one please help!
Find all positive values for k for which each of the following can be factored
x^2 + 5x + k
Thank you very much!
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
x^2 + 5x + k
k=4 (4,1)
k=6 (3,2)
k=25/4 (5/2,5/2) perfect square.
There are an infinate number of fractions, though. eg. k=5.25 (1.5,3.5)
Ed