SOLUTION: I am having a tough time with these problems on this one I must use the discriminate to determine the number of solutions of the quadratic equation and whether the solutions are re

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: I am having a tough time with these problems on this one I must use the discriminate to determine the number of solutions of the quadratic equation and whether the solutions are re      Log On


   

Question 235833: I am having a tough time with these problems on this one I must use the discriminate to determine the number of solutions of the quadratic equation and whether the solutions are real or complex. It is not necessary to find the roots just determine the number of types of solutions.
2x^2+x-1=0
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
2x^2+x-1=0
(2X-1)(X+1)=0
2X-1=0
2X=1
X=1/2 ANS.
X+1=0
X=-1 ANS.