Reflections with Coordinates

Reflection
Start with one of the vertices of the figure (x,y).  What are the coordinates of the same point in the figure when reflected over the y-axis?  [br]How do the coordinates relate to the coordinates of the original point?  [br]Explain why you think this is the case.[br][br]How is this different if the figure is reflected over the x-axis?

Information: Reflections with Coordinates