I need to find the trinomial value of k which makes a perfect square. The problem is x^{2}  6x + k
I hope this will help Part of solving algebra problems is seeing patterns and relationships. A trinomial that is a perfect square is of the form The pattern to see here is the relationship between the the coefficient of x, 2a, and the constant term, a^{2}; if you divide the coefficient of x by 2 and then square it you get the constant term. In your example the coefficient of x is 6 so the constant term is (6/2)^{2} = 9. Cheers,Penny
