11.1
The table shows the side lengths and perimeters of four squares.
Perimeter )
18
Side Length (x)
4.5
8.5
10.25
13.75
34
41
55
Which equation represents the relationship between the side length, x, and the perimeter, y?
0 y 11x
y = 4x
y = x + 13.5
y = x - 13.5