To write: the matrix in reduced row echelon form using matrix capabilities of a graphing utility.
Answer to Problem 80RE
The reduced row echelon form of the matrix is:
Explanation of Solution
Given information:
Given matrix
Calculation:
To make calculations easy we multiply each term of the matrix by 10. Then the matric reduced to
Select the matrix from the MATRIX EDIT menu and enter the dimensions.
The center portion of the matrix editor displays up to three rows and three columns of a matrix.
The display of the matrix is shown below,
This is a
To display the contents of a matrix on the home screen, select the matrix from the MATRIX NAMES menu, and then press ENTER.
The matrix will be displayed as below,
To find the reduced row-echelon form of the matrix,
Press 2nd, MATRIX and MATH, select rref.
The screen is shown below:
Press the option rref of the matrix
Therefore the reduced row echelon form of the matrix is:
Chapter 7 Solutions
Precalculus with Limits: A Graphing Approach
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