The coordinates of the turning point and the equation of the line of symmetry can be found by writing the quadratic expression ... of \(y = x^2 – 6x + 4\) The coefficient of \(x^2\) is positive ...
Sometimes we have to factorise quadratics such as 4\({x^2 ... term (we say that the coefficient of \({x^2}\) is 4). There are several methods you can use to solve this problem.
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