SOLUTION: I am supposed to write an augmented matrix for each of the following systems: {x + 2y - z = 1 {2x - y + 3z = 2 {2x + y + z = -1 Here's are my answers. Is it correct? [1 2

SOLUTION: I am supposed to write an augmented matrix for each of the following systems: {x + 2y - z = 1 {2x - y + 3z = 2 {2x + y + z = -1 Here's are my answers. Is it correct? [1 2

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Question 135470This question is from textbook Discovering Advanced Algebra
: I am supposed to write an augmented matrix for each of the following systems:
{x + 2y - z = 1
{2x - y + 3z = 2
{2x + y + z = -1
Here's are my answers. Is it correct?
[1 2 -3 / 1]
[2 -1 3 / 2]
[2 1 1 / -1]
This question is from textbook Discovering Advanced Algebra

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Yes, but you made a little error on the z-term in the 1st line.
Cheers,
Stan H.
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