There's a free edX class called LAFF that is about to start that people really like. Also Google "Gilbert Strang Linear Algebra" to see full recorded videos of

There's a free edX class called LAFF that is about to start that people really like. Also Google "Gilbert Strang Linear Algebra" to see full recorded videos of a highly-regarded teacher and course. And while you're doing those, Khan Academy has some very nice videos on pretty much all basic elements of LA that you can use to review / preview / un-confuse.