SOLUTION: Determine whether the given quadratic function has a minimum value or maximum value. Then find the coordinates of the minimum or maximum point. f(x) = -x squared - 2x -

Algebra ->  Trigonometry-basics -> SOLUTION: Determine whether the given quadratic function has a minimum value or maximum value. Then find the coordinates of the minimum or maximum point. f(x) = -x squared - 2x -       Log On


   



Question 137327: Determine whether the given quadratic function has a minimum value or maximum value. Then find the coordinates of the minimum or maximum point.
f(x) = -x squared - 2x - 5

Answer by oscargut(2103) About Me  (Show Source):
You can put this solution on YOUR website!
if f(x)=ax^2+bx+c then V=(-b/2a,f(-b/2a))
then if f(x)=-x^2-2x-5 V=(-1,f(-1))=(-1,-4)
and it has a maximum value because starts with a negative coefficient