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Quick question: Is this plane a subspace of R^3?

  • Thread starter bcjochim07
  • Start date
1. Homework Statement
Say you have the plane given by equation

4x + 3y + 4z + 4 = 0

This plane is not a subspace of R^3, right? My reasoning is that this plane can't include the origin, but I just need some clarification to make sure that I understand what a subspace is.

Thanks.


2. Homework Equations



3. The Attempt at a Solution
 
32,580
4,310
Correct, this plane is not a subspace of R^3 for the reason you give.
 

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