The vertices of a rectangle are R(-2,2), S(2,2), T(2,-4) and U(-2,-4). After translation, R' is (-8,-8). Find the transition rule and the coordinates of U'
A. (x,y) → (x+6,y+10); U' (4,6)
B. (x,y) → (x-6,y+10); U' (-8,-14)
C. (x,y) → (x+6,y-10); U' (4,-14)
D. (x,y) → (x-6,y-10); U' (-8,-14)