Question— The dashed triangle is a dilation image of the solid triangle with the center at the origin. Is the dilation an enlargement or a reduction? Find the scale factor of the dilation.

Would this be correct below:
Distance between (2,-2) and (0, -2) = 2 units
Distance between (6, -6) and (0, -6) = 6 units
Scale factor = 6/2=3

Yes, that is correct. The dashed triangle is an enlargement of the solid triangle with a scale factor of 3.