Refinement
What Refinement means in Mathematics A-Level, as defined for Pearson Edexcel.
Definitions of Refinement
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Reference: Pearson Edexcel
Identifying a limitation of a model and suggesting a more realistic assumption where appropriate.
A justified change to a model that addresses a known limitation and is intended to improve its fit or validity.
Topics that use Refinement
- Algebra and functions (Pearson Edexcel A-Level)
- Overarching theme 3: Mathematical modelling (Pearson Edexcel A-Level)
Related terms
- Mathematical model
- Accurate recording
- Algebraic division by linear expressions
- Amplitude
- Appropriate precision
- Asymptote
- Comparing coefficients
- Completing the square
Using Refinement in the exam
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