How to reflect a point over the y=x axis
Reflecting a Shape in the X-Axis Using Cartesian Coordinates (Key Stage 3)
Example reflecting quadrilateral over x axis
PDF) Ranked Queries in Index Data Structures
Transformations - Reflection Across The X-Axis
Reflection Over The X and Y Axis: The Complete Guide — Mashup Math
PDF) Ranked Queries in Index Data Structures
Reflecting shapes (article), Reflections
How To Reflect A Shape In The X-Axis Or Y-Axis On A Coordinate Grid.