Ch. 7
Multiplying and dividing rational expressions part 1: https://www.youtube.com/watch?v=_91KlOv__Pc
Multiplying and dividing rational expressions part2: https://www.youtube.com/watch?v=VFNQ9_unGE4
Adding and subtraction rational expressions part 1: https://www.youtube.com/watch?v=ZwInZtg6-78
Adding and subtraction rational expressions part 2: https://www.youtube.com/watch?v=Nv91RKYEnok
Graphing reciprocal functions: https://www.youtube.com/watch?v=_kJ7B0gMkuQ
Graphing rational functions part 1: https://www.youtube.com/watch?v=rhetgoCUGpw
Graphing rational functions part 2: https://www.youtube.com/watch?v=D7r0_3o2Q-Y
Variation functions part 1: https://www.youtube.com/watch?v=4vNxxVg21Pg
Variation functions part 2: http://www.youtube.com/watch?v=GOn8U-Kfq4A
Solve rational equations: https://www.youtube.com/watch?v=DS_KYSYoMEw