Question

what is the equation for the axis of symmetry? options: x=3, x=5, y=3, x=1

Explanation:

Step1: Identify vertex x-coordinate

The axis of symmetry of a parabola is the vertical line passing through its vertex. From the graph, the vertex lies on the vertical line where $x=3$.

Step2: Match with options

The equation of a vertical line is $x = a$, where $a$ is the x-coordinate of the vertex. This matches the first option.

Answer:

A. x=3