Express 3(x−2.5)2−14.753(x - 2.5)^2 - 14.753(x−2.5)2−14.75 in the form ax2+bx+ca x^2 + b x + cax2+bx+c
State the coordinates of the minimum point of the curve y=3(x−2.5)2−14.75y = 3(x - 2.5)^2 - 14.75y=3(x−2.5)2−14.75
State the equation of the normal to the curve y=3(x−2.5)2−14.75y = 3(x - 2.5)^2 - 14.75y=3(x−2.5)2−14.75 at its minimum point.
322 exam-style questions on Edexcel A Level Maths Quadratics, covering 2.1 Solving Quadratics, 2.2 Completing the Square, 2.3 Sketching Quadratic Graphs, 2.4 The Discriminant, and 2.5 Modelling with Quadratics. Each one has a worked solution and a mark scheme showing where the marks go.