Question

How to describe the transformation that happens by using the coordinates ​

Answer 1

(x,-y) Reflection over x-axis

(-x,y) Reflection over y-axis

(x+a, y+b) Translation

(kx,ky) Dilation

(y, -x) Rotation 90 degrees Clockwise

(-y,x) Rotation 90 degrees Counterclockwise

(-x,-y) Rotation 180 degrees