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Mathematics 21 Online
OpenStudy (idislikealgebralol):

{-2x+2y+3z=0 {-2x-y+z=-3 {2x+3y+3z= 5

OpenStudy (lannyxx):

are you learning about matrices?

OpenStudy (idislikealgebralol):

Yes, my lesson is called Solving Systems using Matrices

OpenStudy (lannyxx):

OK. First, do you know how to translate that system of equations into a matrices?

OpenStudy (idislikealgebralol):

x y z rhs -2 2 3 0 -2 y z -3 2 3 3 5 Is it like that?

OpenStudy (lannyxx):

There is a matrix for x,y, and z. There is a matrix for the coefficients, and then there's also a matrix for the answer.

OpenStudy (lannyxx):

yeah. that works, you're emphasizing each column is the coefficients of x, y, or z. except instead of putting "y" or "z" you should've put 1. cuz it wouldn't make much sense otherwise right?|dw:1480460661742:dw|

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