SOLUTION: Solve. Let f(x) = x2 - 8x + 16. Find x so that f(x) = 22.

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equations Lessons  -> Quadratic Equation Lesson -> SOLUTION: Solve. Let f(x) = x2 - 8x + 16. Find x so that f(x) = 22.      Log On


   

Question 311772: Solve. Let f(x) = x2 - 8x + 16. Find x so that f(x) = 22.
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
Solve. Let f(x) = x^2 - 8x + 16. Find x so that f(x) = 22.
:
x^2 - 8x + 16 = 22
:
x^2 - 8x + 16 - 22 = 0
:
x^2 - 8x - 6 = 0
Use the quadratic formula to find x