Can someone help me with solving systems of linear equations by using matrices?
My teacher expects us to learn this on our own!
I don't even know what a matrix is!

Question

Can someone help me with solving systems of linear equations by using matrices?
My teacher expects us to learn this on our own!
I don't even know what a matrix is!

anonymous · Answer

what methods have you learned? Substitution? addition/subtraction?

anonymous · Answer

I have literally learned nothing about this. I have no idea why my teacher expects us to teach ourselves! I have no idea about anything.

anonymous · Answer

Is this for algebra?

anonymous · Answer

Algebra 2/Trig

jdoe0001 · Answer

http://www.youtube.com/watch?v=eXhf18KlYdg <-- try that

jdoe0001 · Answer

http://www.youtube.com/watch?v=AUqeb9Z3y3k <--- this one rather

anonymous · Answer

if you have a system of equations, for example:

2x+3y=16 and 3x-3y=18

Then you can put them in matrix form by dropping off the variables of the coefficients.
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are you allowed to use a calculator?