Mathematics A-Level
power law models
What power law models means in Mathematics A-Level, as defined for WJEC.
Definition of power law models
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Reference: WJEC
Relationships of the form y = axⁿ, linearised by plotting ln y against ln x, where gradient m = n and vertical intercept c = ln a.
Topics that use power law models
- Exponentials and logarithms (AS Unit 1: Pure Mathematics A) (WJEC A-Level)
Related terms
- ambient temperature baseline
- carrying capacity
- combining logarithms
- domain restrictions
- exponential growth
- exponential models
- fractional coefficients
- gradient and intercept
Using power law models in the exam
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