
To evaluate: an augmented matrix for system of equations and solve by graphing calculator.

Answer to Problem 5E
The solution is
Explanation of Solution
Given information:
Formula used:
An augmented matrix contains the coefficient matrix of an extra column containing the constant terms.
Calculation:
Step 1.
Using system of equations the augmented matrix is ,
Keystrokes:
Step 2.
The reduced row echelon form (rref) using the graphing calculator.
Keystrokes:
The first three columns are same as
The solution is
Hence, the solution is
Chapter 4 Solutions
Algebra 2
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