Created by T Madas Question 237 (****) y y = x2 − x + A O D B C x The figure above shows a quadratic curve with equation y = x2 − x + The points A , B and C are the points where the curve meets the coordinate axes The point D lies on the curve so that AD is parallel to the x axis Calculate the exact area of the shaded region, bounded by the curve, the x axis and the straight line segment BD SYN-O , area = 19 Created by T Madas Created by T Madas Question 238 (****) non calculator The curve C has equation y= 12 x + , x>0 x Find the exact coordinates of the turning point of C ( 16 , 66 ) Created by T Madas Created by T Madas Question 239 (****) A curve has equation y = x5 − 15 x − 80 x + 16 , x∈» , x ≥ Find the coordinates of the stationary point of the curve and determine whether it is a local maximum, a local minimum or a point of inflexion MP1-X , local minimum at (16, −2800 ) Created by T Madas