Point of inflection
What Point of inflection means in Mathematics A-Level, as defined for AQA, Pearson Edexcel.
Definitions of Point of inflection
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Reference: Pearson Edexcel
A point indicated by a change of sign in the second derivative.
A point where the curvature of a graph changes; on a Normal curve these occur at μ − σ and μ + σ.
A point where the curve changes concavity, from concave up to concave down or vice versa.
Topics that use Point of inflection
- G: Differentiation (AQA A-Level)
- Differentiation (Pearson Edexcel A-Level)
- Statistical distributions (Pearson Edexcel A-Level)
Related terms
- Chain rule
- Derivative
- Implicit differentiation
- Parametric differentiation
- Product rule
- Quotient rule
- Binomial distribution
- Composite function
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