1. Section 5.2 Systems of Linear Equations in Three Variables

2. Systems of Linear Equations in Three Variables and Their Solutions

4. Example

5. Solving Systems of Linear Equations in Three Variables by Eliminating Variables

7. Example

8. Applications

9. In applications the data given is often the x and y values of the variables and you are to determine the values of a,b,c – a triple.
See below example 4 from your textbook.

10. Example X,seconds in motion after breaks are applied
Y, feet car travels once the brakes are applied 1 32 2 68 3
108

11. (a)
(b)
(c)
(d)