5) Write the system of equations as an augmented matrix and use Cramer's rule to solve for y. Use the method of expansion by cofactors to find any needed determinants. [Note: you need only solve for y.] 21 + %3D 4.x Зу 2z = -2 | 8x 3z 3

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
Section12.2: Multiplicative Inverses
Problem 41PS
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5) Write the system of equations as an augmented
matrix and use Cramer's rule to solve for y. Use
the method of expansion by cofactors to find any
needed determinants.
[Note: you need only solve for y.]
2x + y
4.x
3y
2y - 3z
2z
-2
8.x
3
||||
Transcribed Image Text:5) Write the system of equations as an augmented matrix and use Cramer's rule to solve for y. Use the method of expansion by cofactors to find any needed determinants. [Note: you need only solve for y.] 2x + y 4.x 3y 2y - 3z 2z -2 8.x 3 ||||
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