Roberto if finding the coordinates of the image of a triangle with vertices A(1,1) B(4,1) C(1,5) after a reflection overthe x axis. Descreib his mistake and correct it. 


Roberto if finding the coordinates of the conception of a triangle following a while vertices A(1,1) B(4,1) C(1,5) following a thought overthe x axis. Descreib his touch and amend it.