SOLUTION: f(x)=-x^2+4x-9 Find the vertex What is the extremum value of the function?

SOLUTION: f(x)=-x^2+4x-9 Find the vertex What is the extremum value of the function?

Algebra.Com

Question 114519: f(x)=-x^2+4x-9
Find the vertex
What is the extremum value of the function?
Answer by HyperBrain(694) (Show Source): You can put this solution on YOUR website!
Please read my lesson---Shortcut in finding the vertex of any parabola
IF , then

Equating to zero,

Solving for y,

Thus, the vertex is at (,)

Power up,\
HyperBrain!
RELATED QUESTIONS
Let f (x) = x^2− 4x + 9. (a) find the vertex (b) State the range of the... (answered by josgarithmetic)

find the vertex, the line of symmetry, and the maximum or minimum value of f(x). Graph... (answered by robertb)

Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic... (answered by robertb)

Determine the location of each extremum of the function f(x)= x^3-1/2x^2-6x+4 f(x)=... (answered by Alan3354)

Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic... (answered by lwsshak3)

find the coordinates of the vertex for the parabola defined by the given quadratic... (answered by robertb)

Find vertex, line of symmetry, max/min value of the quadratic function, and graph the... (answered by solver91311)

Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic... (answered by solver91311)

Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic... (answered by Fombitz)