Ch. 9

9.1 Solving quadratics with the quadratic formula and discriminant: https://youtu.be/hk1meE5YBe0

9.1 Solving quadratics by taking the square root: https://youtu.be/SVvBzYokW7s

9.2 Solve quadratics by completing the square: https://www.youtube.com/watch?v=cV-aYEJm8Hg&feature=youtu.be

9.3 Solving equations in quadratic form part 1: https://www.youtube.com/watch?v=EKcv_IsnJUE

9.3 Solving equations in quadratic form part 2: https://www.youtube.com/watch?v=K8_Gg_RYNcM

9.4 Formulas and quadratic applications: https://www.youtube.com/watch?v=HzrpcthbL2Q

graphing quadratics: https://www.youtube.com/watch?v=FIed0m26vFY&feature=youtu.be

solving quadratics: https://www.youtube.com/watch?v=QSDErq4Dcy0&feature=youtu.be

average rate of change: https://www.youtube.com/watch?v=CKy4iidYUAA&feature=youtu.be

factoring: https://www.youtube.com/watch?v=1tL8CYi_mE8&feature=youtu.be

factoring bottoms up and grouping: https://www.youtube.com/watch?v=FeBYZ_N-QTI&feature=youtu.be

solving by factoring: https://www.youtube.com/watch?v=N6eFrMdIb0k&feature=youtu.be

complex numbers: https://www.youtube.com/watch?v=lBcWOuJ4GPk&feature=youtu.be

complex numbers: https://www.youtube.com/watch?v=J0UaCUQuSEo&feature=youtu.be

Quadratics and completing the square: http://www.youtube.com/watch?v=WPCdUApbzdI

quadratic formula: https://www.youtube.com/watch?v=4yiwrQKqj9M&feature=youtu.be

transformations of quadratics: https://www.youtube.com/watch?v=-CSS0Y1KRzo&feature=youtu.be

inverses: https://www.youtube.com/watch?v=QpoiIg7IR2Q&feature=youtu.be

quadratic regression with calculator: https://www.youtube.com/watch?v=SZewKkmidcU&feature=youtu.be

nonlinear and linear systems: https://www.youtube.com/watch?v=miiNUbsscVs&feature=youtu.be