5.5 , solve by graphing…
How to find the zeros of a function with a graphing calculator.
https://www.youtube.com/watch?v=RxA8YMRF4M4
even though this example does not show a quadratic function, the steps are the exact same...
Videos 5.6
A. Video on the square root of negative numbers. http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-558s.html
B. Video on Simplifying imaginary numbers http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-559s.html
C. Adding complex numbers. http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-560s.html
D. Multiplying complex numbers (video) http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-561s.html
E. Finding complex solutions (video) http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-562s.html
check point quiz 2 on p276. Check your answers to quiz on this link >> https://skydrive.live.com/redir?resid=DD862520A086A24F!325&authkey=!AC5NtGOZI8aa-A0
5.7 A… Completing the square http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-296s.html
5.7B… Completing the square when "a" is different than 1. http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-297s.html
Videos 5.8
A. Using quadratic formula. http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-298s.html
B. Using quadratic formula to find complex solutions. http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-564s.html