Explanation Given information: The system of linear equations is { 1.31 x + 2.72 y − 3.71 z = − 13.9534 − 0.21 x + 3.73 z = 13.4322 − 2.34 y − 4.56 z = − 21.3984 . Calculation: The given system of linear equations is { 1.31 x + 2.72 y − 3.71 z = − 13.9534 − 0.21 x + 3.73 z = 13.4322 − 2.34 y − 4.56 z = − 21.3984 . Rearrange the above system of equations as, { 1.31 x + 2.72 y − 3.71 z = − 13.9534 − 0.21 x + 0 y + 3.73 z = 13.4322 0 x − 2.34 y − 4.56 z = − 21.3984 Therefore, the augmented matrix of the given system of equations is, [ 1.31 2.72 − 3.71 − 13.9534 − 0.21 0 3.73 13.4322 0 2.34 − 4.56 − 21.3984 ] To reduce the above system of linear equations in to row reduced echelon form first turn on the graphing calculator and press 2nd and x − 1 button simultaneously. Enter the dimension of the matrix and then enter the entries of the augmented matrix of the given system of equations as shown below in Figure 1

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ISBN: 9781305115545

Author: James Stewart, Lothar Redlin, Saleem Watson

Publisher: Cengage Learning

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Chapter 6.1, Problem 66E

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The system of linear equations {1.31x+2.72y−3.71z=−13.9534−0.21x+3.73z=13.4322−2.34y−4.56z=−21.3984 by the rref command on the graphing calculator round to two decimal places.

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Chapter 6.1, Problem 65E

Chapter 6.1, Problem 67E

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Chapter 6 Solutions

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The system of linear equations { 1.31 x + 2.72 y − 3.71 z = − 13.9534 − 0.21 x + 3.73 z = 13.4322 − 2.34 y − 4.56 z = − 21.3984 by the rref command on the graphing calculator round to two decimal places.

Solution Summary: The author explains how to solve the system of linear equations by the rref command on the graphing calculator round to two decimal places.

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To solve:

The system of linear equations {1.31x+2.72y−3.71z=−13.9534−0.21x+3.73z=13.4322−2.34y−4.56z=−21.3984 by the rref command on the graphing calculator round to two decimal places.

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Chapter 6 Solutions

The system of linear equations { 1.31 x + 2.72 y − 3.71 z = − 13.9534 − 0.21 x + 3.73 z = 13.4322 − 2.34 y − 4.56 z = − 21.3984 by the rref command on the graphing calculator round to two decimal places.

Solution Summary: The author explains how to solve the system of linear equations by the rref command on the graphing calculator round to two decimal places.

Videos

To solve: The system of linear equations {1.31x+2.72y−3.71z=−13.9534−0.21x+3.73z=13.4322−2.34y−4.56z=−21.3984 by the rref command on the graphing calculator round to two decimal places.

Want to see the full answer?

Chapter 6 Solutions

To solve:

The system of linear equations {1.31x+2.72y−3.71z=−13.9534−0.21x+3.73z=13.4322−2.34y−4.56z=−21.3984 by the rref command on the graphing calculator round to two decimal places.