2 points become strate line...(-4,-3) & (-1,-8)
deltax=+3, deltay=-5, slope=deltay/deltax=-5/+3=-1.6666666666666666...
projekt line tu x=0...deltax=1, deltay=slope*deltax=(-5/3)*(+1)=-5/3
Y at x=0=-8-5/3 or -29/3...krats kall this the "y-intersept"
tu get "x-intersept", set y=0 in equashun y=-(5/3)x -29/3
so -(5/3)x=+29/3
x=-(3/5)*(+29/3)=29/5=5.8