Lesson 6.4 videos
A. Solve by graphing http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-572s.html
B. Factoring sum or difference of cubes. http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-573s.html
C. Solving equations of higher degree. http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-574s.html
D. Solve by factoring http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-575s.html
Lesson 6.5
A. Rational root theorem http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-576s.html
B. Solving equations with the rational root theorem http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-577s.html
C. Using the irrational root theorem http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-578s.html
D. Finding imaginary roots http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-579s.html
E. Writing polynomial from its roots. http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-580s.html
Lesson 6.6
The fundamental theorem of Algebra http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-581s.html
Lesson 6.7
Using permutations http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-582s.html
Evaluating combinations http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-583s.html