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Quadratic Simultaneous Equations

Quadratic Simultaneous Equations

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Question 163
a.

Solve the simultaneous equations

x2+y2=20 x^2 + y^2 = 20 x2+y2=20 2x+y=3 2x + y = 3 2x+y=3

Give your answers to 3 significant figures

[5]
b.

Hence, find the sum of the squares of the xxx-coordinates of the two solutions. Give your answer to 3 significant figures

[2]
Markscheme

Quadratic Simultaneous Equations Questions

  1. GCSE
  2. /Maths
  3. /Quadratic Simultaneous Equations

223 exam-style questions on Edexcel GCSE Maths Quadratic Simultaneous Equations. Each one has a worked solution and a mark scheme showing where the marks go.

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