Mathematics A-Level
Logarithm
What Logarithm means in Mathematics A-Level, as defined for AQA, WJEC.
Definitions of Logarithm
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Reference: WJEC
log_a x is the power to which the valid base a must be raised to obtain x, where a>0, a≠1 and x>0.
log_a x is the power to which the base a must be raised to give x, with a > 0, a ≠ 1 and x > 0.
Topics that use Logarithm
- F: Exponentials and logarithms (AQA A-Level)
- Overarching themes - Mathematical argument, language and proof (WJEC A-Level)
Related terms
- Algebraic manipulation
- Applications of calculus
- Asymptote
- Asymptotic behaviour and intercepts
- Critiquing and refining mathematical models
- Differentiation of exponential functions
- Domain
- domain and range
Using Logarithm in the exam
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