### Home > CC3 > Chapter 2 > Lesson 2.1.2 > Problem 2-18

2-18.

*x*, *x*^{2}, *y*,* y*^{2}, and *xy*. 2-18 HW eTool (CPM). Homework Help ✎

To solve this problem, you will need to group the shapes by their area. How many *x*-tiles are there? *x*^{2}-tiles?

Count the number of each different type of tile.

6*x*^{2} + 4*x* + 3*xy* + 6*y* + *y*^{2}

Use the tiles in the eTool below to write the algebraic expression.

Click the link at right for the full version of the eTool: CC3 2-18 HW eTool