Värför är att tala använde och inte att prata?
I've been told att prata is more modern and more commonly used, shouldn't both be taught at the beginning or is att prata taught in a later verb lesson like at tale is in the Danish course?
The difference is extremely subtle. First of all, tala sounds more formal than pratar. I don't "tala" to my friends for example. On the other hand, a politician be giving a speech, "ett tal", and then he would of course "tala".
It is also used in the expression "tala om", to tell someone something.
"Jag talade om för dig att du inte skulle X"
"I told you you should not X"
Until you get a good feel for the language, I would just stick to "prata" for almost every situation.
I'm not sure this explanation is any good, feel free to ask questions if it's just a mess. :)