rate of change
What rate of change means in Mathematics A-Level, as defined for AQA, WJEC.
Definitions of rate of change
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Reference: WJEC
The gradient m in an applied equation, representing the constant rate of change such as cost per mile or price increase per year.
The regression parameter b, interpreted within the practical context of the scenario.
The phrase 'rate of change of y' signifies the derivative dy/dt (or dy/dx).
A quantity expressed as a derivative, such as dP/dt, dv/dt or dD/dt.
Topics that use rate of change
- G: Differentiation (AQA A-Level)
- Coordinate geometry in the (x, y) plane (AS Unit 1: Pure Mathematics A) (WJEC A-Level)
- Data presentation and interpretation (AS Unit 2: Applied Mathematics A) (WJEC A-Level)
- Differentiation (A2 Unit 3: Pure Mathematics B) (WJEC A-Level)
Related terms
- Chain rule
- Implicit differentiation
- Parametric differentiation
- Product rule
- Quotient rule
- standard derivatives
- tangents and normals
- algebraic simplification
Using rate of change in the exam
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