I got this question wrong on a quiz. Can you explain why "A is invertible because there are no rows of all zeros in B" isn't true? After studying some more, I think the correct answer would be "A is invertible because A has four pivot points". I'm just not sure why "A is invertible because there are no rows of all zeros in B" is not a valid choice as well. Matrices A and B are row equivalent. Choose one mathematical statement that can be made concerning the properties of the matrix0 -7 -714-7-7-61 1110.5-1.5A =B =0 -4.95 -4.750 0.04047 -5 10 19-13 -1.Selected Answer:A is invertible because there are no rows of all zeros in B.Answers:A is invertible because there are no rows of all zeros in B.A is not invertible because B has no free variables.A is invertible because A has four pivots.All of the above.None of the above.

Name: I got this question wrong on a quiz. Can you explain why "A is invert
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Description: I got this question wrong on a quiz. Can you explain why "A is invertible because there are no rows of all zeros in B" isn't true? After studying some more, I think the correct answer would be "A is invertible because A has four pivot points". I'm

Given that, The matrix A and B are row equivalent. A is invertible because A has four pivot points A…

Answered: Matrices A and B are row equivalent.…

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter4: Eigenvalues And Eigenvectors

Section4.5: Iterative Methods For Computing Eigenvalues

Problem 51EQ

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I got this question wrong on a quiz. Can you explain why "A is invertible because there are no rows of all zeros in B" isn't true?

After studying some more, I think the correct answer would be "A is invertible because A has four pivot points". I'm just not sure why "A is invertible because there are no rows of all zeros in B" is not a valid choice as well.

Matrices A and B are row equivalent. Choose one mathematical statement that can be made concerning the properties of the matrix
0 -7 -71
4
-7
-7
-6
1 11
1
0.5
-1.5
A =
B =
0 -4.95 -4.75
0 0.0404
7 -5 10 19
-1
3 -1.
Selected Answer:
A is invertible because there are no rows of all zeros in B.
Answers:
A is invertible because there are no rows of all zeros in B.
A is not invertible because B has no free variables.
A is invertible because A has four pivots.
All of the above.
None of the above.

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