Find the echelon form of this augmented matrix, written so there are 1's on the diagonal. 1 2 2 -3 -5 5 3 7 8 300 700 - 400

College Algebra (MindTap Course List)
12th Edition
ISBN:9781305652231
Author:R. David Gustafson, Jeff Hughes
Publisher:R. David Gustafson, Jeff Hughes
Chapter6: Linear Systems
Section6.3: Matrix Algebra
Problem 8E
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I need some help with explanation how to do this matrix correct, I know I started it wrong. Th

Find the echelon form of this augmented matrix, written so there are 1's on the diagonal.
1
2
2
3 - 3
-5 -7
5
8
300
700
- 400
Transcribed Image Text:Find the echelon form of this augmented matrix, written so there are 1's on the diagonal. 1 2 2 3 - 3 -5 -7 5 8 300 700 - 400
화
y z
1000] 9 = 0
|0 10-2 | 9 = 2|
2001-6/2 =-61
*1-3²-3=300
2 +5²-7²=700
1-2-5² +8²-=-=-400
=X-3-3 300
2 5-7
5-7 700
(2)-58-400 -5R₁+R3
7-3-3 300
2 5-7 700-2 R₁ + R₂
0 20 23 1900
Transcribed Image Text:화 y z 1000] 9 = 0 |0 10-2 | 9 = 2| 2001-6/2 =-61 *1-3²-3=300 2 +5²-7²=700 1-2-5² +8²-=-=-400 =X-3-3 300 2 5-7 5-7 700 (2)-58-400 -5R₁+R3 7-3-3 300 2 5-7 700-2 R₁ + R₂ 0 20 23 1900
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