Question

What is the axis of symmetry?

Answer 1

A line of symmetry for a graph. The two sides of a graph on either side of the axis of symmetry look like mirror images of each other. Example: This is a graph of the parabola y = x2 – 4x + 2 together with its axis of symmetry x = 2. Theaxis of symmetry is the red vertical line.

Answer 2

The axis of symmetry of a parabola is a vertical line that divides the parabola into two congruent halves