?????????????? "passesseesese thru the point" ???????????
it GO thru the point
point=(6,4)
90 deg tu line y=3x+sumthun...this line have slope=3
90 deg line hav slope=-1/3
projekt line from (6,4) tu x=0, so deltax=-6
then deltay=(-1/3)*(-6)=+2
this point=(0,6)
line: y=-(1/6)x+6