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