- #1

MarcL

- 170

- 2

## Homework Statement

A. {(x,y,z)ι x<y<z }

B.{(x,y,z)ι -4x+2y=0, -5x-7z=0 }

C.{(x,y,z)ι -9x-3y+8z=7}

D.{-7x-8y,9x+6y,3x-6y ι x,y arbitrary numbers}

E.{(x,y,z)ι x+y+z=0 }

F.{(x,x+4,x-2 }

## Homework Equations

So it is a subspace therefore I need the additive axiom: u+v = v+u, the one where u + o = u and the additive inverse where u + (-u) = (-u)+u=0

## The Attempt at a Solution

I thought all of them would be a subspace of ℝ

^{3}because they all have 3 components and ℝ

^{3}includes all numbers in the subspace, or am I seeing this wrong?

sorry for the picture, edit done!

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