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Quadratic Simultaneous Equations

Quadratic Simultaneous Equations

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Question 5

The simultaneous equations

x2+y2=a x^2+y^2=a x2+y2=a 2x−y=b 2x-y=b 2x−y=b

have solutions x=1.20x=1.20x=1.20, y=1.90y=1.90y=1.90 and x=−0.800x=-0.800x=−0.800, y=−2.10y=-2.10y=−2.10.

Find the values of a a\,a and bbb.

Give your answers to 3 significant figures

[5]
Markscheme

Quadratic Simultaneous Equations Questions

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

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

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