Critiquing Reasoning 1 A = 20 8. Polly was given the following problem: Determine the order of matrix A, given Polly's Work: The order of the matrix is 4 x 2 because it has 4 columns and 2 rows. Explain WHAT Polly did wrong and explain WHY that is wrong. Show Polly how to correctly determine the order of matrix A. 3 5 9 40 60 80

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter7: Systems Of Equations And Inequalities
Section7.6: Solving Systems With Gaussian Elimination
Problem 3SE: Is there only one correct method of using row operations on a matrix? Try to explain two different...
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4
21
Critiquing Reasoning
A =
8. Polly was given the following problem: Determine the order of matrix A, given
Polly's Work: The order of the matrix is 4 x 2 because it has 4 columns and 2 rows.
Explain WHAT Polly did wrong and explain WHY that is wrong.
Show Polly how to correctly determine the order of matrix A.
135 9
20 40 60 80
Transcribed Image Text:4 21 Critiquing Reasoning A = 8. Polly was given the following problem: Determine the order of matrix A, given Polly's Work: The order of the matrix is 4 x 2 because it has 4 columns and 2 rows. Explain WHAT Polly did wrong and explain WHY that is wrong. Show Polly how to correctly determine the order of matrix A. 135 9 20 40 60 80
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