Can someone help pls

How can you tell when x and y are not directly proportional?

Given: prst square pmkd is a square pr = a, pd = a find the area of pmct.

Amy is plan her school's new basketball court. the west edge of the basketball court is located on the line y = 5x + 2. the east edge cannot intersect with the west edge. on which line could the east edge be located? −y − 5x = 100 y + 5x = 100 −5x − y = 50 5x − y = 50