(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

Let E be the subset of R2 defined by E={(x,y)|x≥0,y[itex]\in[/itex]ℝ}. Is E a subspace of R2?

2. Relevant equations

E={(x,y)|x≥0,y[itex]\in[/itex]ℝ}

3. The attempt at a solution

I honestly have no idea where to start. Please help !!! I'm not asking for the answer per se, just a starting point

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# Homework Help: Figuring out if subset of R2 is a subspace

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