?? - 2015 q6
6.
Figure 1 is a sketch showing part of the curve with equation
and part of the line with equation y = 17 – x. The curve and the line intersect at the point A.
(a) Show that the x coordinate of A satisfies the equation
(a) Show that the x coordinate of A satisfies the equation
(3)
(b) Use the iterative formula
(b) Use the iterative formula
to calculate the values of x1, x2 and x3, giving your answers to 3 decimal places
(3)
(c) Use your answer to part (b) to deduce the coordinates of the point A, giving your answers to one decimal place. (2)
(c) Use your answer to part (b) to deduce the coordinates of the point A, giving your answers to one decimal place. (2)