Synthetic Division

http://www.youtube.com/watch?v=bZoMz1Cy1T4

http://www.youtube.com/watch?v=_4b14X41MYc&feature=player_embedded

4.7 Complex Zeros

Conjugate pairs:
http://www.youtube.com/watch?v=ZQjq-o9ZBek


http://www.youtube.com/watch?v=wRtca98LCYg&feature=related

4.6 The Real Zeros of a polynomial function

http://www.youtube.com/watch?v=90VyvOhPmA0

http://www.youtube.com/watch?v=EEB13cADwFg

http://www.youtube.com/watch?v=Sbpo2phnKxo&feature=channel

http://www.youtube.com/watch?v=rP-__zFngio&feature=channel

Intermediate Value Theorem
http://www.youtube.com/watch?v=6AFT1wnId9U&feature=channel

http://www.youtube.com/watch?v=90VyvOhPmA0

4.5 Polynomial and Rational Inequalities

This PatrickJMT is a good guy:
http://www.youtube.com/watch?v=SJecFvUbJOY&feature=fvw

http://www.youtube.com/watch?v=8FCV2-EjgXg&feature=watch_response

4.3 Rational Functions and their graphs

Example (This is the best one)
http://www.youtube.com/watch?v=hWjMovgqvi4&feature=channel

Finding slant (oblique) asymptotes
http://www.youtube.com/watch?v=--vh9zgZZmQ

Shortcut to finding horizontal asymptotes
http://www.youtube.com/watch?v=c-yK2hUnSB0&feature=fvw

Finding VERTICAL asymptotes
http://www.youtube.com/watch?v=_qEOZNPce60&feature=channel

Example (This is the best one)
http://www.youtube.com/watch?v=hWjMovgqvi4&feature=channel

4.2 Polynomial Functions

Graphing Polynomials

            http://www.youtube.com/watch?v=luOTOkrv4vQ&feature=related

http://www.youtube.com/watch?v=YyF3Vr1mBuE&feature=related 

Graphing polynomials with repeated factors

http://www.youtube.com/watch?v=M7Y4SMCAMAc&feature=channel

Factoring

http://www.youtube.com/watch?v=7NeiMTQ-dsk