Triangle J′K′L′ shown on the grid below is a dilation of triangle JKL using the origin as the center of dilation:

Two triangles are drawn on a grid. First triangle has vertices J (6,12), K (9, 6), L (12, 9). Image triangle has vertices J prime 2 and 4, K prime 3 and 2, L prime 4 and 3.

Which scale factor was used to create triangle J′K′L′?

1/3
4
3
1/4