Mathematics, 12.05.2021 21:40, gabrielar80
20 POINTS PLEASE HELP
A math student correctly solved the system of equations shown below using the inverse matrix.
3x+y=12xβ3y=19
Which of the following methods did the student most likely use to find the solution to the system of equations?
A
[xy]=[3 2 1 β3][1 19]
B
[xy]=1β11[3 2 1 β3][1 19]
C
[xy]=[ β3β 2 β1 3][1 19]
D
[xy]=1β11[ β3β 2 β1 3][1 19]
Answers: 1
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20 POINTS PLEASE HELP
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