Question

The relationship between the length of one side of a square ,x,and the perimeter of the square ,y, can be represented in an xy planeby a straight line what point with coordinate xy lie on the line ?

Answer 1

All points in which the y-value is the 4x the x-value so some points are

(1,4)
(2,8)
(3,12)
(4,16)
(5,20)
etc.

This is due to the fact the the perimeter of a square is always 4 times any side, since all sides are equal

Answer 2

The answer is x * y = a