Advanced Algebra & Geometry 1 Chapter 4

4.1 p.36-39 https://youtu.be/REqJburfOQc Assignment: Exercise 4-1 to 4-3

4.2 p 39-40 https://youtu.be/wN5RTRfPjsI Assignment: Exercise 4-4

4.3 p.40-43 https://youtu.be/rZRZ_UW4iuw 

4.4 p.43-46 https://youtu.be/2jYB0b6cwGg Assignment: Exercise 4-5 to 4-10

Assignment: Ch4 p.46 #56-71 all

p.46 #56-63 solution https://youtu.be/cYBsLZN1hQI

p.47 #64-71 solution https://youtu.be/j7RJOo9-Uzc

Assignment: Ch4 p.48 #72-86 all 

p.48 #72-79 solution https://youtu.be/oBVybZbfVrA

p.48 #80-86 solution https://youtu.be/CGpbRodE5X8