Second derivative test | Using derivatives to analyze functions | AP Calculus AB | Khan Academy

Second partial derivative test example, part 1

Connecting f, f', and f'' graphically | AP Calculus AB | Khan Academy

Second partial derivative test intuition

Finding relative extrema (first derivative test) | AP Calculus AB | Khan Academy

First Derivative Test

Second partial derivative test

Second derivatives | Advanced derivatives | AP Calculus AB | Khan Academy

Warm up to the second partial derivative test

Second Derivative Test

Inflection Points and Concavity Intuition

Relative Extrema, Local Maximum and Minimum, First Derivative Test, Critical Points- Calculus

Worked example: Inflection points from second derivative | AP Calculus AB | Khan Academy

Critical points introduction | AP Calculus AB | Khan Academy

Mistakes when finding inflection points: second derivative undefined | AP Calculus AB | Khan Academy

Derivative as a concept | Derivatives introduction | AP Calculus AB | Khan Academy

Identifying f, f', and f'' based on graphs

Inflection points introduction | AP Calculus AB | Khan Academy

Justification using second derivative: maximum point | AP Calculus AB | Khan Academy

Critical Points: Graphs from first and second derivatives