Verify that (x,y)=(−1.6,−6.2)(x,y)=(-1.6,-6.2)(x,y)=(−1.6,−6.2) and (x,y)=(4,5)(x,y)=(4,5)(x,y)=(4,5) satisfy the simultaneous equations
x2+y2=41 x^2 + y^2 = 41 x2+y2=41 y=2x−3 y = 2x - 3 y=2x−3223 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.