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The cofactor for the first elemet in the coefficient matrix for this system 2x+3y+3z= 2 4x- 3y- 6z= 2 is: 10x- 6y+ 3z= 0 A. -45 B. -27 C. 27 D. 45

Algebra for College Students

10th Edition

ISBN:9781285195780

Author:Jerome E. Kaufmann, Karen L. Schwitters

Publisher:Jerome E. Kaufmann, Karen L. Schwitters

Chapter12: Algebra Of Matrices

Section12.CT: Test

Problem 20CT

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Question

The cofactor for the first elemet in the coefficient matrix for this system

2x+3y+3z= 2

4x- 3y- 6z= 2 is:
10x- 6y+ 3z= 0

A. -45

B. -27

C. 27

D. 45

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