Provide an appropriate response.Suppose that you are solving a system of three linear equations by the Gauss-Jordan method and obtain the following augmented matrix. 
What row operation would you perform next?
A. Multiply row 2 by 1.
B. Add 15 times row 1 to 11 times row 3 to obtain a zero in the third row, second column position.
C. Add row 1 to row 2.
D. Multiply row 1 by 
.
Answer: A
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(in second quadrant).
A. 
B. - 
C. - 
D. 
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C. 92?
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