Texas Instruments TI-83 - 11.3 Systems of Linear Equations: Matrices; Example 6 Solving a System of Linear Equations Using Matrices

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11.3 Systems of Linear Equations: Matrices
EXAMPLE 6 Solving a System of Linear Equations Using Matrices
Solve:
(
)
( )
( )
8
232
1
2
3299 3
xyz
xyz
xyz
 −+=

+−=−


−−=

Graphing Solution
The augmented matrix of the system is
1118
231 2
3299

−

−−


−−

To enter this matrix into the TI-83, press the MATRX button.
On the TI83+, the
MATRX button is
a 2
nd
Function.