Explanation Given information: The system of linear equations is { 49 x − 27 y + 52 z = − 145.0 27 y + 43 w = − 118.7 − 31 y + 42 z = − 72.1 73 x − 54 y = − 132.7 . Calculation: The given system of linear equations is { 49 x − 27 y + 52 z = − 145.0 27 y + 43 w = − 118.7 − 31 y + 42 z = − 72.1 73 x − 54 y = − 132.7 . Rearrange the above system of equations as, { 49 x − 27 y + 52 z + 0 w = − 145.0 0 x + 27 y + 0 z + 43 w = − 118.7 0 x − 31 y + 42 z + 0 w = − 72.1 73 x − 54 y + 0 z + 0 w = − 132.7 Therefore, the augmented matrix of the given system of equations is, [ 49 − 27 52 0 − 145.0 0 27 0 43 − 118.7 0 − 31 42 0 − 72.1 73 − 54 0 0 − 132.7 ] 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

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ISBN: 9781305115545

Author: James Stewart, Lothar Redlin, Saleem Watson

Publisher: Cengage Learning

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Chapter 6.1, Problem 68E

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The system of linear equations {49x−27y+52z=−145.027y+43w=−118.7−31y+42z=−72.173x−54y=−132.7 by the rref command on the graphing calculator round to two decimal places.

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Chapter 6.1, Problem 67E

Chapter 6.1, Problem 69E

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The system of linear equations { 49 x − 27 y + 52 z = − 145.0 27 y + 43 w = − 118.7 − 31 y + 42 z = − 72.1 73 x − 54 y = − 132.7 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 {49x−27y+52z=−145.027y+43w=−118.7−31y+42z=−72.173x−54y=−132.7 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 { 49 x − 27 y + 52 z = − 145.0 27 y + 43 w = − 118.7 − 31 y + 42 z = − 72.1 73 x − 54 y = − 132.7 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 {49x−27y+52z=−145.027y+43w=−118.7−31y+42z=−72.173x−54y=−132.7 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 {49x−27y+52z=−145.027y+43w=−118.7−31y+42z=−72.173x−54y=−132.7 by the rref command on the graphing calculator round to two decimal places.