Write 4x2−24x+414x^2 - 24x + 414x2−24x+41 in the form a(x+b)2+ca(x + b)^2 + ca(x+b)2+c where aaa, bbb, and c c\,c are integers.
Hence, or otherwise, write down the coordinates of the turning point of the graph of y=4x2−24x+41y = 4x^2 - 24x + 41y=4x2−24x+41
56 exam-style questions on AQA GCSE Maths Completing the Square. Each one has a worked solution and a mark scheme showing where the marks go.