???????????? "kontaening" ?????????
a line GO THRU points
line 2 hav 2 points...(-3,2) & (1,-5)
deltax=4, deltay=-7, slope=deltay/deltax=-7/4...-1.75
line 1 GO THRU (-3,-4)...projekt this line tu x=0...deltax=3
deltay=slope*deltax=(-1.75*3)=-5,25
this poine be x=0 & y=-4-5.25...-9.25
so line be y=-1.75x-9.25