### Home > INT1 > Chapter A > Lesson A.1.1 > Problem A-7

A-7.

Write a simplified algebraic expression for the tile collection below. (The names of the algebra tiles can be found in problem A‑1.)

To solve this problem, you will need to group the tiles by their areas.

How many -tiles are there?

*-tiles?*

Use the eTool below to write a simplified expression.

Click the link at the right to view full version of the eTool: *A-7 HW eTool*