SOLUTION: Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function. f(x)=4x^2-8x+7

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equation Customizable Word Problems -> SOLUTION: Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function. f(x)=4x^2-8x+7      Log On


   

Question 379478: Find the vertex, the line of symmetry, the maximum or minimum value of the quadratic function.
f(x)=4x^2-8x+7
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29+=+4%28x%5E2+-+2x%29+%2B+7+=+4%28x%5E2+-+2x+%2B+1%29+-4+%2B+7+=+4%28x-1%29%5E2+%2B+3. Vertex is the point (1,3). Line of symmetry is x = 1, and the minimum value is 3.