By completing the square, find the coordinates of the turning point of the curve with the equation y=x2+14x−11y = x^2 + 14x - 11y=x2+14x−11 Hence state the minimum value of yyy. You must show all your working.
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.