SOLUTION: to solve 2x - x^2 = 0 by the quadratic formula, let a =-1, b =2, and c = 0, is his true.

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: to solve 2x - x^2 = 0 by the quadratic formula, let a =-1, b =2, and c = 0, is his true.      Log On


   

Question 382699: to solve 2x - x^2 = 0 by the quadratic formula, let a =-1, b =2, and c = 0, is his true.
Answer by kingme18(98) About Me  (Show Source):
You can put this solution on YOUR website!
Yes. Another way to write it is to rearrange and get -x%5E2%2B2x=0. a=-1 is the coefficient with x%5E2, b=2 is the coefficient with x, and there is no constant, so c=0.