Question

The graph of which of the following equations contains the points (2, 3) and (3, 2)? y = x - 1

y = 5 - x
y= 7 - 2x

Answer 1

The answer is y= 5-x

Answer 2

The graph y=5-x contains the points (2,3) and (3,2). 3=5-2 is true and 2=5-3 is true, so (2,3) and (3,2) are on the graph.