### 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*