1. Today’s Objectives:

2. Warm Up

3. 3.4 Solving Systems w/ Three Variables You are familiar with a normal coordinate plane. It is has an x-axis and a y-axis.

4. Z-Axis Today we add a third dimension. The z-axis.

5. Solving Systems Solving systems in three variables is similar to solving systems with two variables.

6. Methods Use the substitution or elimination method to solve a system of three variables. Graphing will not be helpful.

7. Example #1 Solve the system of equations.

8. Example #2 Solve the system of equations.

9. Example #3 Solve the system of equations.

10. Example #4 Solve the system of equations.

11. You Try!!! Solve the system of equations.

12. Solve each system of equations. You Try!!!

13. Homework 3.4 Worksheet