1. Chapter 3 Section 2
Evaluating Algebraic Expressions
Page 179

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

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

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

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

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

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

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