Question

line of reflection (do not use spaces!):

Explanation:

Step1: Analyze Symmetry

Look at the shapes on the coordinate plane. The figures appear symmetric with respect to the y - axis (x = 0). For a reflection over the y - axis, a point (x,y) reflects to (-x,y). By observing the positions of the vertices of the triangles and other shapes, we can see that they are mirror images across the y - axis.

Step2: Confirm the Line

The y - axis is represented by the equation \(x = 0\). Checking the symmetry of the given graphs (the triangles and the other polygon) across \(x=0\) confirms that the line of reflection is the y - axis, i.e., \(x = 0\).

Answer:

\(x = 0\)