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Mathematics 15 Online
OpenStudy (anonymous):

x + 2y = 5 x - 3y = 7 What is the value of the system determinant? -5 1 5

OpenStudy (anonymous):

i think its the first one

OpenStudy (anonymous):

do you know what is a system determinant means?

OpenStudy (anonymous):

a little

OpenStudy (anonymous):

well do you know how you got -5?

OpenStudy (anonymous):

yes by plugging it into the equation

OpenStudy (anonymous):

your right then I have nothing to say to that

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