Question

The graph of the function f(x)= x2 − 4x + 6 is shown here. What is its axis of symmetry?

A.
x = 0
B.
x = 2
C.
x = 6
D.
x = -2

Answer 1

It would be more helpful to have the image too, but look at your image, find the vertical line that splits the parabola in two symmetric halves, and see what the x-value is for that line.