The pattern shown is a composition of rigid transformations called a glide reflection Glide reflections are often used to create decorative borders. The basic pattern used here is a 4-color "fan." Which composition is used to create the
first image in this glide reflection?
Image
Preimage
O The pre-image is reflected horizontally across the top edge, then reflected again across a vertical line.
The pre-image is reflected horizontally across the top edge, then rotated counterclockwise about the vertex of the fan.
X The pre-image is reflected across a vertical line to the right of the pre-image, then reflected across the top edge.
O The pre-image is reflected horizontally across the top edge, then translated to the right.