Videos 3.1 to 3.3

Videos 3.1 , watch and copy these problems.

 

3.1 A, solve by graphing,   http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-228s.html

 

3.1 B, Interpret the solution, real world problem, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-229s.html

 

3.1 C, classifying systems, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-510s.html

 

Videos 3.2, watch and copy…

 

3.2 A, solving by substitution, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-231s.html

 

3.2 B, real world problem,  solve by substitution, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-232s.html

 

3.2 C, solve by elimination, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-233s.html

 

3.2 D, solve by elimination, multiply first, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-234s.html

 

Videos 3.3

 

3.3 A, solving inequality. http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-512s.html

 

3.3 B, Linear absolute value graphs… http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-513s.html