By completing the square, write the equation y=x2+3x−7y = x^2 + 3x - 7y=x2+3x−7 in the form y=(x+a)2+by = (x+a)^2+by=(x+a)2+b.
Hence, find the coordinates of the turning point of the curve with the equation y=x2+3x−7y = x^2 + 3x - 7y=x2+3x−7 You must show all your working.
250 exam-style questions on OCR GCSE Maths Completing the Square. Each one has a worked solution and a mark scheme showing where the marks go.