X 1.1.PS-10 Question Help
Error Analysis Your friend incorrectly says that point A and point B represent opposite integers.
What is the opposite of the integer represented by point A? By point B? What is your friend's error?
The opposite of the integer represented by point A is 2.

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.