R(3, 2), S(5, -2), and T(6, 0) are the coordinates of a triangle's vertices. If the triangle is translated down 6 units, what are the coordinates of the image? R'(-3, 2), S'(-1, -2), T'(0, 0) R'(-3, -4), S'(-1, -8), T'(0, -6) R'(3, 8), S'(5, 4), T'(6, 6) R'(3, -4), S'(5, -8), T'(6, -6)