Our physics teacher has begun to catch on to our class' little tricks.
See, he assigns all homework online, but this left it open to atrocious exploits. First, we realized that when you submit a homework, the site gives you answers (not all of them, just single parter non multiple choice questions, but enough), to help you fix what you got wrong. And the teacher also allows you to retry the homework, so some kids would first go through the homework giving bs answers, then submit, get the answers, and resubmit. Another thing was that when you submit an answer, you get told whether it is right or wrong. With non multiple choice problems it ain't so bad, since you know you need to fix your calculations, but with multiple choice problems, it becomes an egregious way to get the right answer without understanding the material, since you can just choose answers until you get the right one.
Now, every time you submit the homework, and start a new one, the numbers change on you for the non multiple choice, and every wrong answer on a multiple choice question deducts points, so even if you get it right after multiple tries you don't get full credit.
It wasn't like I abused those exploits. I might have used the multiple choice trick a couple of times, but I have always done the home work squarely to the best of my abilities. I think I've been in my physics teacher's class after school so many times he must be sick of me. Cause you can't cheat on the tests right? So better to prepare for those. Still, those exploits were the difference between an 85 for my hw grade, and a 90
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