Jawabanmu

2014-04-10T21:51:19+07:00
Y-y1 : y2-y1 = x-x1 :x2-x1 y-3 : 4-3 = x-0 : 1-0 y-3 : 1 = x-0 : 1 y-3 = x-0 y = × + 3