Whats the best way and fastest to go about getting a Online High School Diploma Or GED?

I have not ped my math TAKS for 11th or 12th and because of that i am unable to obtain a high school diploma despite the fact i ped school with flying colors =/ so what would be the fastest and best way to go about getting a high school diploma or GED online. please note im more influenced to get a high school diploma then a GED since a GED would make it seem like i couldn't make it into school although I could(Just the TAKS math held me back) so if you can please help me.