Observe the graph:

Consider the scale on the -and -axis is .

Vertices of are  and .

Find reflection about . 

Write the vertex matrix for   is .

To reflect the in the line , multiply the vertex matrix by .

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Find rotation at  about the origin.

Then multiply the vertex matrix by the rotation matrix.

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Write the vertices of the image.

The first row represents the -coordinates and the second row represents the -coordinates.

The vertices are and .

Coordinates of the vertices of the image are and .