milton07cr
milton07cr milton07cr
  • 14-01-2021
  • Mathematics
contestada

Select the correct answer.
Which system of equations can be represented by this matrix?

Select the correct answer Which system of equations can be represented by this matrix class=

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jejenifer
jejenifer jejenifer
  • 14-01-2021
The answer is A.

You put the numbers in order of the letters and if a letter is missing you put 0
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Parker0012816 Parker0012816
  • 14-01-2021

Answer: C

Step-by-step explanation: As you most likely know, the matrix represents the system of equations. If you assume that x is the far left column, that y is the column adjacent to it, and that y is to the left of the line, you can assume that these are the equations represented:

1x-3y+2z=-9

1x+0y+1z=1

0x+2y-1z=7

which can be simplified to

x-3y+2x=-9

x+z=1

2y-z=7

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