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Mathematics 13 Online
OpenStudy (anonymous):

The matrix method is being used to solve the system of equations x + 2y = 4 and 3x - y = 6. If the goal of the first matrix operation is to get a zero in row 2, column 1, then one could a) subtract 3 from each entry of row 2 b) multiply row 1 by -3 and add the result to row 2 c)divide row 2 by -3 and add to row 1

OpenStudy (anonymous):

|dw:1371650254918:dw|

OpenStudy (amistre64):

might help to solidify the results if you try each option

OpenStudy (anonymous):

|dw:1371650283210:dw|

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