x−3y+4=0\mathrm {x-\sqrt{3} y+4=0}x−3y+4=0
x−3y−4=0\mathrm {x-\sqrt{3} y-4=0}x−3y−4=0
3x−y+4=0\mathrm{\sqrt{3} x-y+4=0}3x−y+4=0
3x−y−4=0\mathrm {\sqrt{3} x-y-4=0}3x−y−4=0