Higher June 2023 Paper 3 Q7

EdexcelCurrent spec2 marksDrawing & Using GraphsSolving Quadratics

7 Here is the graph of \(y = x^2 - 2x - 2\)

Graph of y = x squared minus 2x minus 2 for x from minus 2 to 4 on a grid, with y from minus 4 to 4. The curve has its lowest point at (1, minus 3)
(a) Write down the coordinates of the turning point on the graph of \(y = x^2 - 2x - 2\) (1)
(b) Write down an estimate for one of the roots of \(x^2 - 2x - 2 = 0\) (1)
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