How Am I Going to Use This in My Life?

At the beginning of my unschooling year I decided to use an Algebra II DVD to meet my state's math requirements. Who knew that you could get so exhausted by one drudgerous math lesson! Today I "learned" how to use "fractional exponents". All the while I couldn't figure out how I was ever going to use this in my life.

Normally after I've completed a music lesson or researched something I want to learn, I feel energized by what I've accomplished; after this math lesson, I only feel exhausted and like I wasted a 1/2 hour of my life. Does anyone else see a problem with this? I don't know how school kids stand it doing monotonous, useless, draining paperwork day in and day out for hours at a time. I could barely handle a 1/2 hour of it... Thank God I'm an unschooler!