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Quadratic Formula

Quadratic Formula

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Question 17

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

A diagram of a six-sided shape formed by two rectangles. The left rectangle has a width of x\, and a height of 3x + 1. The right rectangle has a height of 6. The total width of the shape is 2x + 5.

The area of the shape is 80cm2

a.

Show that 3x2+7x−50=03x^2 + 7x - 50 = 03x2+7x−50=0

[2]
b.

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

[3]
Markscheme

Quadratic Formula Questions

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

49 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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