Answer:
C
Explanation:
Test all of the coordinates given to you.
Starting with the X's. (because they are all positive, move to the right.)
Go right in the direction based on the number given
then go up or down for the Y's depending on the number given.
By following this, you will find that 3 of the solutions do not end up in the shaded area but one. 0,0 is the only solution that ends up in the orange area.