Mathematical modelling

Mathematical modelling Quiz

Spec OT3.1–5 · AQA A-Level Maths: Quiz

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5 questions, one answer each

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1. What is a modelling assumption?
- A. A simplification made so that the situation can be described mathematically
- B. A result calculated from the model
- C. A mistake in the working
- D. The final answer to the problem
2. In the model $C=40+25d$ for hiring a van, what does 25 represent?
- A. The fixed charge
- B. The total cost
- C. The cost per day
- D. The number of days
3. A model predicts a negative number of visitors for large $t$ . What is the best response?
- A. Ignore it
- B. Report the negative number
- C. Round it up to 1
- D. Restrict the domain or refine the model
4. A ball is modelled as a particle. Which statement does this assume?
- A. It has no mass
- B. Its size and rotation are ignored
- C. It does not move
- D. It is affected by wind
5. In $P=200\times1.5^t$ , what does 200 represent?
- A. The growth factor
- B. The population after 1 hour
- C. The initial population
- D. The time