How many ordered pairs (x,y) satisfy BOTH conditions below?
Condition I: x=1 or y=0 or y=2
Condition II: x=0 or x=2 or y=1
All the points on the green lines satisfy the first condition
All the points on the orange lines satisfy they second condition.
All the points that are on both the green and the orange lines satisfy both conditions.
I have labelled 4 of the poiints but I missed one. Which one did I miss ?