The model represents a perfect square monomial.

An algebra tile configuration showing only the product spot, which has 4 tiles in 2 columns with 2 rows. First row: 2 + x squared. Second row: 2 + x squared.

What equation is represented by the model?

(2x)2 = 4x2
(2x2)2 = 4x4
(4x)2 = 8x2
(4x2)2 = 8x8