Online Help/Companion Site for Textbook Go to www.phschool.com. Log-in using web code aga-0352. Click Math on the left. Click Textbook Companion sites. Click on Prentice Hall Mathematics 2004. Click on the Algebra II book with a spiral staircase on the cover. Under each Chapter are lesson quizzes, tests, and vocabulary quizzes. How to access the Video Tutors: Click Homework Video Tutors at the top (by the book picture). Click on the desired chapter. Click on a lesson.