SOLUTION: Find the vertex, the line of symmetry, and the maximum or minimum value of f(x). Graph the function. {{{f(x)=(1/5)(x+4)^2+8}}} The vertex is ____. (Type an ordered pair.) The

Algebra ->  Graphs -> SOLUTION: Find the vertex, the line of symmetry, and the maximum or minimum value of f(x). Graph the function. {{{f(x)=(1/5)(x+4)^2+8}}} The vertex is ____. (Type an ordered pair.) The       Log On


   



Question 394988: Find the vertex, the line of symmetry, and the maximum or minimum value of f(x). Graph the function.
f%28x%29=%281%2F5%29%28x%2B4%29%5E2%2B8
The vertex is ____.
(Type an ordered pair.)
The line of symmetry is x=____.
The maximum/minimum value of f(x) is ____.
Is the value, f(-4)=8, a minimum or maximum?
Graph.

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
Using the vertex form of a parabola, y=a%28x-h%29%5E2+%2Bk where(h,k) is the vertex
f%28x%29=%281%2F5%29%28x%2B4%29%5E2%2B8 vertex is Pt(-4,8) Line of symmetry x = -4
minimum value of f(x) = 8
Vertex (-4,8) is a minimum |parabola opens upward as a = 1/5 > 0