Question

True or False?When you reflect over the x-axis, then the y-axis (i.e. a reflection in the origin), change both the X-and y-coordinate signs.TrueFalse

Answer 1

Let (x,y) be the original point, apply change to reflect over x-axis, (x,y) ---> (x,-y), and then apply to reflect over y-axis (x,-y) ----> (-x,-y). The final point has both x and y changed.