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1.2.10 Quadratic inequalities

1.2.10 Quadratic inequalities

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Question 1

The daily profit, £PPP, from selling x x\,x items is modelled by P=−2x2+24x−40P=-2x^2+24x-40P=−2x2+24x−40.

Find the set of values of x x\,x for which the model gives P⩾24P\geqslant24P⩾24.

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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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