1. 1 0 1 0 0 1 1 0 |A → 0 4 0 E A → 1 EE, A → 0 E3 E2 E A = 2 -1 1. 0 0 1. -1 1 E1 E2 E3 Е

Big Ideas Math A Bridge To Success Algebra 1: Student Edition 2015
1st Edition
ISBN:9781680331141
Author:HOUGHTON MIFFLIN HARCOURT
Publisher:HOUGHTON MIFFLIN HARCOURT
Chapter2: Solving Linear Inequalities
Section: Chapter Questions
Problem 4CR
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Question

Considering the following Gauss elimination (in the image)

What is the determinant of A? 

 

1.
1 0
1 0
0 1
-4
1
0 |A →
0 4 0
E A →
1
E2E, A →
0 |E3 E2 E A =
2
-1
1.
1.
-1
1
E1
E2
E3
E4
Transcribed Image Text:1. 1 0 1 0 0 1 -4 1 0 |A → 0 4 0 E A → 1 E2E, A → 0 |E3 E2 E A = 2 -1 1. 1. -1 1 E1 E2 E3 E4
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