Question

Fatima and Rihana are playing Battleship. They labeled their axes using just whole numbers.

a. Fatima’s first guess is (2, 2). Rihana says, "Hit!" Give the coordinates of four points that Fatima might guess next.
b. Rihana says, "Hit!" for the points directly above and below (2, 2). What are the coordinates that Fatima guessed?

Answer 1

1. (2,3), (1,2), (3,2), (2,1)

2. (2,4), (2,3), (2,1), (2,0)

Explanation:

1. For the points near (2,2) we might just add a unit to move to the right or subtract one unit to move left. That would be the points (3,2) and (1,2).

Similarly to move up and down, we add/subtract one unit to the second coordinate, giving result to (2,3) and (2,1).

2. To move above and below the point (2,2) we add/subtract the units we want to the serving coordinate.

+2= (2,4)

,-2=(2,0)

+1=(2,3)

-1=(2,1)