Write down the coordinates of the turning point of the graph of y=(x−1)2−2y = (x - 1)^2 - 2y=(x−1)2−2
Hence, or otherwise, write x2−2x−1x^2 - 2x - 1x2−2x−1 in the form (x+a)2+b(x + a)^2 + b(x+a)2+b where a a\,a and b b\,b are integers.
250 exam-style questions on Eduqas GCSE Maths Completing the Square. Each one has a worked solution and a mark scheme showing where the marks go.