November 2021 Paper 1 Q17

AQACurrent spec3 marksDrawing & Using Graphs

17 Here is the graph of \(\quad y = x^2 - 6x + 5 \quad\) for values of \(x\) between 0 and 6

Graph of y = x² − 6x + 5 on a grid for x from 0 to 6 and y from −4 to 5, crossing the x-axis at 1 and 5 with minimum at (3, −4)

By drawing a suitable linear graph on the grid, work out approximate solutions to

\[x^2 - 7x + 9 = 0\]

[3 marks]

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