1. in a game of checkers, one checker moves 2 squares up. then, it moves
1 square up and 1 square to the right. if(0, 0) represents the checker's
original position, which of the following translation rules represents
the checker's motion?
a. t< 1,3> (0,0)
c. t< 0,0> (3, 1)
b. t< 3, 1> (0,0)
d. t< 0,0> (1,3)