Draw the image of ∆PQR after a rotation of 180° about the origin. Label the image ∆P'Q'R'.
Draw the image of ∆PQR after a reflection across the x-axis. Label the image ∆P"Q"R".

Draw the image of PQR after a rotation of 180 about the origin Label the image PQR Draw the image of PQR after a reflection across the xaxis Label the image PQ class=

Respuesta :

Testing my knowledge on this one.


A - when doing a 180 degree rotation, the coordinates (x,y) would become (-x,-y), in other words, the inverse of the numbers in the x and y places, (-1,2)->(1,-2)
B - when reflecting over the x axis, only the y coordinate inverts, (x,y) becomes (x,-y), (1,-2)->(1,2)