Question

The relationship between the length of one side of a square,x, and the perimeter of the square,y, cqn be represented in an xy-plane by a straight line. Which of the points woth coordinates(x,y) lie on the line?

A. 2,6
B.2,8
C.6,2
D.8,2​

Answer 1

B. (2, 8)

Explanation:

A square has 4 congruent sides.

Each side has length x.

The perimeter is x + x + x + x = 4x

y is the perimeter

y = 4x

For a point to be on the graph, y must equal 4x.

Answer: B. (2, 8)