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{{ printedBook.courseTrack.name }} {{ printedBook.name }} To complete a glide reflection, we first perform the translation and then the reflection.

Let's begin by drawing $△ABC.$

The given rule of translation represents a vertical translation $1$ unit down. $(x,y)→(x,y−1) $ To perform the translation, we have to subtract $1$ from each $y-$coordinate.

To perform the reflection, we have to reflect the vertices of $△A_{′}B_{′}C_{′}$ to the opposite side of the $y-$axis in a way such that the distance from the vertices to the $y-$axis remains the same.

The final glide reflection is the combined translation and reflection.