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May 23, 2015

Homework Help: Math Investigations II

Posted by Cody on Saturday, October 22, 2011 at 2:37pm.

For what value of k will the system be dependent?
x+3y+2z=-4
3x+4y-z=2
3x-y-8z=k

I'm confused as to what exactly it's asking for by a dependent system. I know this is a system with infinite solutions, but I don't know how to find that in 3 dimensions.

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