SOLUTION: Compute the value of the discriminant and give the number of real solutions to the quadratic equation -4x^2+4x-1=0 I need to know the discriminant and the number of real sol

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Compute the value of the discriminant and give the number of real solutions to the quadratic equation -4x^2+4x-1=0 I need to know the discriminant and the number of real sol      Log On


   

Question 42491: Compute the value of the discriminant and give the number of real solutions to the quadratic equation
-4x^2+4x-1=0
I need to know the discriminant and the number of real solutions
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
-4x^2 + 4x - 1 = 0
b%5E2+-+4ac
4%5E2+-+4%28-4%29%28-1%29
16+-+16
0
There is only one real solution.
+graph%28+600%2C+600%2C+-10%2C+10%2C+-10%2C+10%2C+-4x%5E2+%2B+4x+-+1%29+