Videos for this week...

Blog.

 

 Videos.

 

4.3 A, Scalar multiplication, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-529s.html

 

4.3 B, solving scalar equations,  http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-530s.html

 

4.3 C, multiplying matrices, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-531s.html

 

4.3 D, word problem… http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-532s.html

4.5 A, evaluate determinant,  http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-537s.html

 

4.5 B, find inverse matrix, http://www.phschool.com/atschool/academy123/english/academy123_content/wl-book-demo/ph-538s.html