The shapebelowis movedwith a glide reflection.It is reflectedin the -axis,and the imageis then translated
unitsto the right.In the diagram,one pointis followedto showhow it moves.First is reflectedin the -axis.Its
imageis. Thenthe imageis translated unitsto the right.The final imageis
Example 1
a)Whatis the imageof if it followsthe sameglidereflectionas above?is reflectedin the -axisto is translated unitsto the right to. Thefinal imageof is.
b)Whatis the imageof?is reflectedin the -axisto is translated unitsto the right to.The final imageof is.
Noticethat the imageof can be foundusingmatrices.
Example 2
How can a rotationof be expressedas a composition?