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OpenStudy (anonymous):
What is the value of the system determinant for the following system of equations? 6x + y = 4 5x + y - 7 = 0 a)-1 b)1 c)31
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OpenStudy (anonymous):
the determinant is 1
OpenStudy (anonymous):
I arrived at this by setting up a matrix using the x and y terms only. |6 1| |5 1|
OpenStudy (anonymous):
OpenStudy (anonymous):
then the determinant is 1*6 - 1*5
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