To solve: The given system of linear equations using the matrix capabilities of a graphing utility.
Answer to Problem 53E
The solution of the system of linear equation is
Explanation of Solution
Given information :
The system of linear equations:
Calculation :
As per problem,
The given system of linear equations:
Write the system in matrix form,
The augmented matrix is written as:
The solution of the system of linear equation using graphing utility is obtained as:
Enter the matrix by using the combination of keystrokes
Use cursor key to select the edit option and then select row 1 of matrix A and press
- Enter the dimension of the matrix (3 rows by 4 columns).
- Enter the values of the coefficient matrix (row by row).
- Select the MATH option.
- Go to matrix again, choose [A] Press
- to see the reduced augmented matrix.
Go to Matrix again by pressing
Select the option rref( and press
The reduced augmented matrix is displayed as:
The matrix is in row-echelon form, and the corresponding system is,
Hence,
The solution of the system of linear equation is
Chapter 7 Solutions
Precalculus with Limits: A Graphing Approach
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