Here are the notes that I have typed out in outline form to help you organize the material.
Here are the essential vocabulary for chapter 17. You can make a copy of this and use them as flashcards to help you remember the essential vocabulary for chapter 17.
Here are some sample math problems with written out answers so you can check your work. Be sure to work out the problem yourself first before looking at the answers. If you don't try the problem yourself first, then you will never know where you need to correct a mistake.
The only way to properly learn how to draw a ray diagram is to PRACTICE, PRACTICE, and then PRACTICE some more!
Here are some ray diagrams that you can practice finding and describing the image. Be sure to practice this on your own before looking and my answers.