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Mathematics 13 Online
OpenStudy (anonymous):

SOLVE the matrix equation; [-7 -3 2 1] X= [2 6 6 9]

OpenStudy (anonymous):

So do you want us to multiply this out..

OpenStudy (anonymous):

Or is the solution to the matrix X=

OpenStudy (anonymous):

the solution is x=

OpenStudy (anonymous):

[20 33 46 75] [-20 -33 6 9] [-7 -33 46 1] [-20 -33 46 75]

OpenStudy (anonymous):

these are the answer choices

OpenStudy (anonymous):

oh ok.. makes my job like 500 time easier

OpenStudy (anonymous):

lol

OpenStudy (anonymous):

the last one

OpenStudy (anonymous):

it just had to be the last one

OpenStudy (anonymous):

Thank you

OpenStudy (anonymous):

i multiplied the other 3 and got the first elements as follows -278 122 -89

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