The simultaneous equations
x2+y2=a x^2+y^2=a x2+y2=a 2x−y=b 2x-y=b 2x−y=bhave 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
223 exam-style questions on Eduqas GCSE Maths Quadratic Simultaneous Equations. Each one has a worked solution and a mark scheme showing where the marks go.