SOLUTION: Find the discriminants. 5x^2=x and 2x^2=-x-12 Any help will be greatly appreciated.

Algebra ->  Conversion and Units of Measurement -> SOLUTION: Find the discriminants. 5x^2=x and 2x^2=-x-12 Any help will be greatly appreciated.      Log On


   

Question 635655: Find the discriminants. 5x^2=x and 2x^2=-x-12
Any help will be greatly appreciated.
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
5x^2 = x
5x^2 - x = 0
Discriminant = b^2 - 4ac = (-1)^2 - 4(5)(0) = 1

2x^2 = -x - 12
2x^2 + x + 12 = 0
Discriminant = b^2 - 4ac = (1)^2 -4(2)(12) = -95