Edexcel A Level 9MA0 | Logs & Exponentials Past Paper Questions | Pure 1&2 Modelling & Linearization

Tackle the most mark‑losing Logarithm and Exponential questions from Edexcel A Level 9MA0/01 – Pure Mathematics 1 & 2. This session focuses on modelling, log‑graph linearization, and real‑world interpretation using step‑by‑step pen‑tab solutions to previous‑year exam questions.

This video is designed for serious Edexcel A Level students who are comfortable with basic exponent and log skills but struggle once the questions become “wordy” and data‑driven. Each example is chosen because examiner reports show that many candidates lose marks on rates, intercepts, and asymptotic reasoning, not on the algebra itself.
Session pdf: https://drive.google.com/file/d/1EtEj...
What we cover:
Previous‑year and exam‑standard questions from 9MA0 Pure Mathematics 1 & 2 on exponential and logarithmic models
Initial value vs initial rate in models like
and how to read them from the equation and graph
Log‑graph linearization: turning
into a straight line and interpreting gradient and intercept
Identifying model parameters from straight‑line graphs
Model appropriateness: residual patterns, domain issues, and when the model stops being realistic
Asymptotic behavior: interpreting horizontal and vertical asymptotes in context, not just on the sketch

Common exam traps we address:
Confusing initial value with initial rate of change in exponential growth/decay questions
Misreading the gradient or intercept on a log graph, leading to incorrect values of
Treating a model as valid outside the data range, ignoring realistic constraints
Ignoring context when interpreting asymptotes (e.g. population not actually reaching the asymptote)
Writing algebra correctly but losing explanation marks for weak sentence‑level interpretation

Who this video is for:
Edexcel A Level 9MA0 Pure Mathematics 1 & 2 students in the final months before exams
Students who are comfortable with algebraic log/exp questions but lose 3–6 marks on modelling and interpretation parts
Learners building a logs & exponentials exam‑prep playlist, alongside theory lessons and earlier PYQ clinics on laws of logs and equations