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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 -1 1 31
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OpenStudy (anonymous):
i will fan and give someone a medal i always have will someone please help
OpenStudy (anonymous):
6
OpenStudy (anonymous):
@mathstudent55
OpenStudy (mathstudent55):
If by system determinant you mean the denominator determinant, then it is: 6 * 1 - 1 * 5 = 6 - 5 = 1
OpenStudy (anonymous):
oh than you so much it helped a ton i didnt understand how to do these problems in general so thanks @mathstudent55
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OpenStudy (mathstudent55):
This is how you calculate the value of a 2 by 2 determinant. |dw:1392065274920:dw|
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