chad should not have included the values (1, 2) and (3, 6) because that would mean he only had half a healing card.
in the attachment. i didn't see your choices. the word which means there is choices.
x tells you how much left or right you go from the origin
y tells you how much down or up you go from the origin
so for example (-3,2), you go left 3 and up twice. i denoted which of the ordered pairs is which in my graph.
answer: what are the following choices