Pre-Calc
Wednesday, March 04, 2009
Section 8.2: Systems of Linear Equations in Three
Variables
Linear Equation written in Three Variables:
a x + by + c z = 0
Ordered Triple:
(x,y,z)
Graphically:
3-dimensional coordinate system
1
Pre-Calc
Wednesday, March 04, 2009
Section 8.2: Systems of Linear Equations in Three Variables
Example: Solve the following system of equations.
x+y-z=0
3x - y + 3z = -2
x + 2y - 3z = -1
2
Pre-Calc
Wednesday, March 04, 2009
Problem off of Assignment
3