Chapter 3 Section 2 Evaluating Algebraic Expressions Page 179

Evaluate 1) At x = - 3 and y = 2 2) Explain what you did. 3) At x = - 2 and y = - 1

Evaluate at x = 4, y = - 6 at x = - 2, y = - 2 at x = - 6

Evaluate 2n – 1 at n = 1 n = 2 n = 3 n = 4 What do you notice?

Rectangular Prism Another name: box, cube Parallelepiped Length, Width, Height

Unit of Capacity Volume How much a item can hold. Units Cubic units

Find the volume Find the volume of the following figure 12 m 3 m 2 m

Summary Evaluation of an algebraic expression. Volume of a rectangular prism.