SOLUTION: Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function, and graph the function on paper. f(x)=x^2-4x-4

Question 328737: Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function, and graph the function on paper. f(x)=x^2-4x-4
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Complete the square to put into vertex form, where (h,k) is the vertex.

Comparing, the vertex is (2,-8).
THe vertex lies on the line of symmetry, .
The parabola opens upwards since the coefficient of the term is positive so the function value at the vertex is a minimum.

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Verify by graphing,
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