Which of these is true about a reflection over the line x=0x=0x=0?
It is the same as reflecting over the yyy-axis
It maps (x,y)(x, y)(x,y) to (−x,y)(-x, y)(−x,y)
It maps (x,y)(x, y)(x,y) to (x,−y)(x, -y)(x,−y)
It is a rotation