SOLUTION: Is the following trinomial a perfect square? x^2 + 2x – 1

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Is the following trinomial a perfect square? x^2 + 2x – 1       Log On


   

Question 103587: Is the following trinomial a perfect square?
x^2 + 2x – 1
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
x^2 + 2x – 1
To find out if any quadratic equation is a perfect square take the middle term (+2), divide it in half (1) and square it (1).
1 should be the final term but the final term is (-1) so the equation is not a perfect square.
Ed