Express 3x2−15x+43x^2 - 15x + 43x2−15x+4 in the form a(x+b)2+ca(x + b)^2 + ca(x+b)2+c
State the coordinates of the minimum point of the curve y=3x2−15x+4y = 3x^2 - 15x + 4y=3x2−15x+4
State the equation of the normal to the curve y=3x2−15x+4y = 3x^2 - 15x + 4y=3x2−15x+4 at its minimum point.
Practise Edexcel A Level Maths Quadratics with exam-style questions for A Level Maths. 25 questions 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, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 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.
