we kan make a strate line thru 2 points
(-8, -11) & (-4, -8)
deltax =(-4) -(-8)=4
deltay =(-8) -(-11)=3
slope=deltay/deltax=3/4=0.75
formula: y=0.75x +konst
projekt line from x=-4 tu x=0...this deltax=+4
deltay=slope*deltax=(3/4)*4=3
y at x=0 is -8+3=-5
y=0.75x -5