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Quadratic Formula

Quadratic Formula

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Question 1

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 adjacent rectangles. The left rectangle has a width of x-1 and a height of 3x+2. The right rectangle has a width of 2x-5 and a height of 5. They share a common vertical side.

The area of the shape is 48cm2

a.

Show that x2+3x−25=0x^2 + 3x - 25 = 0x2+3x−25=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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