Find the axis of symmetry and the vertex of the graph of f(x) = 2x^2 - 4x.
The axis of symmetry is x= ____, and the vertex is (__,__).
-b/2a will be the x coordinate of the vertex of this bowl shaped parabola
= - -4/4 = 1 x = 1
put in x = 1 to find the y value of the vertex
=-2 vertex = 1,-2