so I got the right answer and my math professor marked me down

[vulzol]

Originally Posted by Black Jesus [You must be logged in to view images. Log in or Register.]

they didnt teach jack sh1t cuz I don't even know the proper way to reverse engineer it I just guessed numbers in my head til it narrowed down and finally hit

Otherwise known as the trial and error which even 2 year olds can perform.

You need to show your work so your professor can see you understand what you're doing to get to the correct answer. What if you were working in the real world and had to explain your conclusions to a colleague? I'm sure they'll appreciate "I guessed and checked in my head"