Drag point P in the sketch below. As polygon PQRSTU moves, observe how P'Q'R'S'T'U' moves.[br]Change the elements in the spreadsheet to change the transformation matrix to create the following transformations:[br][list][br][*]Reflection in the y-axis[br][*]Reflection in the x-axis[br][*]90-degree counter-clockwise rotation around the origin.[br][*]A half-turn around the origin.[br][*]90-degree clockwise rotation around the origin.[br][/list][br][color=#c51414](You can click and drag on the background to move the grid.)[/color]