I'll admit I'm not so great at higher math. Not to say that I'm horrible or anything, but my math GPA in college was 2.57. Linear Algebra is one of the ones I got a C in - it just never really stuck. So I happen to take a look at my web site stats, and notice an insane amount of traffic to an old linear algebra study guide I have. Yea, go looking for a linear algebra study guide on yahoo or MSN and guess who's number 1? I'm also getting traffic for stuff I couldn't answer off the top of my head either. Some examples for you:

• "one to one linear transformation" "linearly independent set"
• linear algebra 10 axioms vectors
• linear algebra exam ii
• linear algebra null space
• find basis from coordinate vector space
• "linear algebra", "exam 2"
• linearly dependent vector spaces and dimension
• spanning set linear algebra
• what is a spanning set linear algebra
• vector spaces exam
• linear algebra IMT
• linear algebra closed under addition
• linear algebra nul a
• linear transformation one to one trivial solution
• linear algebra dim(x)
• axioms vector space
• linear algebra "one to one" T(x)
• let V and W be subspaces of vector space U
• dim(V)=n linear algebra
• "find the set of all solutions", "Ax=0", "linear algebra", solutions, "linear combination", 3.6

And that's just the last month... I just hope for their sake they have other references (or my study guides reflect the stuff better than my test results).