CPM Homework Banner
6-115.

Sketch the algebra-tile shape at right on your paper. Write an expression for the perimeter of the shape. Then find the perimeter for each of the given values of .

Find the perimeter as you did in problems 6-96 and 6-106, including x as part of the expression.

1 vertical x tile, with 1 x squared tile connected on the right side, and 1 unit tile connected on top, aligned on the left.

Substitute for in the expression of the perimeter.

Evaluate the expression.

units

  • Substitute for in the expression of the perimeter and evaluate.

    units

  • See part (a) or (b).