SOLUTION: rewrite the quadratic function in standard form by completing the square and then address the following f(x)=x^2-4x

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: rewrite the quadratic function in standard form by completing the square and then address the following f(x)=x^2-4x      Log On


   

Question 344555: rewrite the quadratic function in standard form by completing the square and then address the following f(x)=x^2-4x
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Take (1/2) of the x-coefficient, square it.
Add and subtract it to the equation.
f%28x%29=x%5E2-4x
f%28x%29=%28x%5E2-4x%2B4%29-4
highlight%28f%28x%29=%28x-2%29%5E2-4%29