Solve x2+2x−7=0x^2 + 2x - 7 = 0x2+2x−7=0
Give your answers in the form a±bca \pm b\sqrt{c}a±bc.
Practise CIE IGCSE Maths Quadratic Formula with exam-style questions for Core and Extended tier. 9 questions, matched to the CIE IGCSE Maths (0580) specification and written in Paper 1 and Paper 3 (Core) or Paper 2 and Paper 4 (Extended) style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.