Now try the example questions below. Since -1 < 0, then it is a maximum turning point. \({b^2} - 4ac\) where \(a = - 1,\,b = 2\,and\,c = - 3\) \(= {2^2} - (4 \times ...
National 5 Sketching a quadratic function Test questions To sketch a quadratic function you must first determine the roots, nature and coordinates of the turning point and the y-intercept. Part of ...
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