In the case where vx = vy = vz = k, the scaling is also called an enlargement or dilation by a factor k, increasing the area by a factor of k2 and the volume by a factor of k3.
In the case where vx = vy = vz = k the scaling is also called an enlargement or dilation by a factor k increasing the area by a factor of k2 and the volume by a factor of k3