# Math Help - My first Post, Help me please, I have a Linear Algebra Question about subspaces

1. ## My first Post, Help me please, I have a Linear Algebra Question about subspaces

Hey guys I new help on 2 questions that were given for a test review. Download the attachment to view the 2 questions as a picture.

2. ## Re: My first Post, Help me please, I have a Linear Algebra Question about subspaces

Originally Posted by jocs46
Hey guys I new help on 2 questions that were given for a test review. Download the attachment to view the 2 questions as a picture.
For #1.

Show that $W$ contains the zero vector.

Show if $\{x,y\}\subset W$ and $\alpha$ is a scalar then $(x+\alpha y)\in W.$

3. ## Re: My first Post, Help me please, I have a Linear Algebra Question about subspaces

For #2, what is the 0 "vector" for this vector space? Is it in this subset?