Taking a test for dual credit courses next year

OK so I'm about to take a test right now so I can see if I'll be taking dual credit courses next year. In order to take dual credit I need to pass these tests and the pressure is intense. If I don't pass, I'll either be in regular or AP classes and I cannot be sent to AP. I only get college credit if I pass the test while I only need to pass the class if I do dual credit. The reason why the pressure is intense is because there's a math section and I suck at math