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1.2.10 Quadratic inequalities

1.2.10 Quadratic inequalities

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Question 1

For 0⩽t⩽60\leqslant t\leqslant60⩽t⩽6, the temperature TTT °C in a chamber is modelled by T=20+6t−t2T=20+6t-t^2T=20+6t−t2.

Find the set of times for which T⩾25T\geqslant25T⩾25.

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Markscheme

1.2.10 Quadratic inequalities Questions

  1. A Level
  2. /Maths
  3. /1.2.10 Quadratic inequalities

8 exam-style questions on OCR (MEI) A Level Maths 1.2.10 Quadratic inequalities. Each one has a worked solution and a mark scheme showing where the marks go.

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