Identify the expression that is equivalent to x2−8x+3x^2 - 8x + 3x2−8x+3.
Tick one box.
(x−4)2+3(x-4)^2 + 3(x−4)2+3
(x−4)2−13(x-4)^2 - 13(x−4)2−13
(x−8)2−13(x-8)^2 - 13(x−8)2−13
(x−4)2−19(x-4)^2 - 19(x−4)2−19
63 exam-style questions on AQA A Level Maths 1.5.3 Quadratic functions. Each one has a worked solution and a mark scheme showing where the marks go.