Vertices of
are
and
.
Find reflection in the
of symmetry.
Write the vertex matrix for quadrilateral
is
.
To reflect the in the line
, multiply the vertex matrix by
.

Write the vertices of the image.
\ The first row represents the
–coordinates and the second row represents the
–coordinates.
The vertices are
and
.
Graph:
\Plot the points
and
and connect the points to form
.
Plot the points
and
and connect the points to form
.

Observe the graph:
\
and
are similar, both has same shape.
Coordinates of the vertices of the images are
and
.
Graph of the
and
is
