which describes the translation represented by the transition rule (x,y) -> (x-9,y-9)

a. 9 units to the right and 9 units up
b. 9 units to the left and 9 units down
c. 9 units to the right and 9 units down
d. 9 units to the left and 9 units up

1 answer

b. 9 units to the left and 9 units down