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Quadratic Formula

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Question 1
65%

The diagram shows a six sided shape formed from two rectangles. All measurements are given in centimetres.

A six-sided shape formed from two adjoining rectangles, with left rectangle dimensions 2x and x − 6 and right rectangle dimensions 12 − x and 3, all in centimetres.

The area of the shape is 24cm2

a.

Show that 2x2−15x+12=02x^2 - 15x + 12 = 02x2−15x+12=0

[2]
b.

Find the value of xxx. Give your answer to 3 significant figures.

[3]
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Quadratic Formula Questions

  1. GCSE
  2. /Maths
  3. /Quadratic Formula

156 exam-style questions on AQA GCSE Maths Quadratic Formula. Each one has a worked solution and a mark scheme showing where the marks go.

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