Write 2x2−8x+22x^2 - 8x + 22x2−8x+2 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=2x2−8x+2y = 2x^2 - 8x + 2y=2x2−8x+2
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.