y2=4(x−3)y^{2}=4(x-3)y2=4(x−3)
y2=8(x−3)y^{2}=8(x-3)y2=8(x−3)
y2=8(x+3)y^{2}=8(x+3)y2=8(x+3)
y2=4(x+3)y^{2}=4(x+3)y2=4(x+3)
y2=16(x−3)y^{2}=16(x-3)y2=16(x−3)