SOLUTION: apply the quadratic formula to find the roots of the given functionand then graph the function g(x) = x^2 -x -12

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons -> SOLUTION: apply the quadratic formula to find the roots of the given functionand then graph the function g(x) = x^2 -x -12      Log On


   

Question 206599: apply the quadratic formula to find the roots of the given functionand then graph the function g(x) = x^2 -x -12
Answer by Marth(57) About Me  (Show Source):
You can put this solution on YOUR website!
To find the roots, set the equation equal to 0.
x%5E2-x-12=0
Factor.
%28x-4%29%28x%2B3%29=0
x-4=0 or x%2B3=0
x=4 or x=-3
Those are the roots.

graph%28300%2C+200%2C+-10%2C+10%2C+-10%2C+10%2C+x%5E2-x-12%29