You can check your quiz scores via your Student Dashboard. To do so, please locate your course in your Student Dashboard. Listed to the left of your course is a green box. Click the down arrow located directly to the left of the green box. This will expand the Units for your course. 

You will then see another green box with entitled "See Quiz". Click these boxes to view your review your quizzes and then answers you submitted. 

Please see the screenshot below: