The coordinates of the community center are (5, −1). who has a house in the same quadrant as the community center?

(5,-1) is located in quadrant IVquadrant IV has (+ x, -y)so any points that have (+ x, - y) are in this quadrant. 
Example : (6,-3) is in this quadrant(2,-4) is also in this quadrant. 
So whoever has the house with (+ x, -y) is going to be in the same quadrant as the community center.