anonymous
  • anonymous
Consider the following system of equations: 1. X+Y-Z=1 2. 2X-5Y+Z=-1 3.7X-7Y-Z=k Determine the value(s) of k for which the solution to this system is line.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
how will i know if the intersection of planes is a plane, a line, a point or no intersection using system of equations?
anonymous
  • anonymous
I'm not sure I understand your question. What exactly are you trying to find?
Loser66
  • Loser66
are you in linear algebra or calculus3?

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anonymous
  • anonymous
vectors.. I understand that part.. but how will i know if the intersection of planes is a plane, a line, a point or no intersection using ONLY system of equations without solving it?
anonymous
  • anonymous
@Loser66
Loser66
  • Loser66
make up augmented matrix, and rref it, if its rank is 1--> intersect at a point rank is 2 intersect at a line, rank is 3 intersect at a plane.
anonymous
  • anonymous
i'm not doing matrix..
Loser66
  • Loser66
OH man!!! so I am sorry. I don't know how to solve without using matrix
anonymous
  • anonymous
oh ok......

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