SOLUTION: Select the correct choice below​ and, if​ necessary, fill in the answer box to complete your choice. 3x^2-4x-1=0 The number is ___.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Select the correct choice below​ and, if​ necessary, fill in the answer box to complete your choice. 3x^2-4x-1=0 The number is ___.      Log On


   

Question 1065691: Select the correct choice below​ and, if​ necessary, fill in the answer box to complete your choice.
3x^2-4x-1=0
The number is ___.
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
This can't be factored. From the quadratic equation, x=(1/6)(4+/- sqrt (16+12)), which is [2 +/- sqrt (7)]/3.
If it were 3x^2-4x+1, it could be factored into (3x-1)(x-1).
graph%28300%2C300%2C-10%2C10%2C-10%2C10%2C3x%5E2-4x-1%29