Khan Academy Resources:  The graphical resources are provided in case you feel like you didn't learn about concavity well in Algebra 2.  In AP Calculus, working with the 2nd derivatve for concavity and inlection points needs to be able to done algebraically.

• Video:  Introducing concavity GRAPHICALLY

• Video:  Analyzing concavity GRAPHICALLY

• Practice Assignment:  Concavity intro GRAPHICALLY

• Video:  Introducing inflection points GRAPHICALLY

• Video:  Analyzing inflections points GRAPHICALLY

• Practice Assignment:  Inflection points GRAPHICALLY

• Video:  Analyzing concavity ALGEBRAICALLY

• Video:  Analyzing inflection points  ALGEBRAICALLY

• Video:  Exploring mistakes when finding inflection points:  2nd derivative undefined

• Video:  Exploring mistakes when finding inflection points:  not checking cadidates

• Overview:  Analyzing the 2nd derivative to find inflection points

• Practice Assignment:  Analyze concavity

• Practice Assignment:  Find inflection points

• Overview:  Concavity review

• Overview:  Inflection points review