The coordinates of the turning point and the equation of the line of symmetry ... y = x^2 – 2x – 3\) gives \(y = (x + 1)(x – 3)\) and so the graph will cross the \(x\)-axis at \(x = -1 ...

The coordinates of the turning point and the equation of the line of symmetry ... Factorising \(y = x^2 - 2x - 3\) gives \(y = (x + 1)(x - 3)\) and so the graph will cross the x-axis at \(x ...