plumiForming differential equations: WJEC A‑Level Maths questions
WJEC A-Level Maths past-paper questions on 7.9 Forming differential equations, 2018–2025, with mark schemes and examiner’s reports where available. Add MadAsMaths questions to your practice, or browse them separately by topic and difficulty.
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All 4 questions on Forming differential equations, as a list
- Summer 2023, Unit 3, Q12 (7 marks): 2 The rate of change of a variable y with respect to x is directly proportional to y. a) Write down a differential equation satisfied by y. [1] When x = 1 and y
- Summer 2023, Unit 4, Q10 (8 marks): A train is moving along a straight horizontal track. At time t seconds, its velocity is 1 0 v ms–1, its acceleration is a ms–2, and a is inversely proportional
- Summer 2022, Unit 4, Q9 (8 marks): 9 Megan wants to make some ice cubes. She fills a plastic ice cube tray with water of temperature 10°C and places it directly into the freezer. The temperature
- Summer 2019, Unit 3, Q13 (8 marks): Wildflowers grow on the grass verge by the side of a motorway. The area populated by 1 3 wildflowers at time t years is A m2. The rate of increase of A is direc
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