Edexcel Mathematics October 2020 · Paper 2 · Question 11 · ExamRizz

ExamRizzEdexcel MathematicsMathematics

October 2020 · Paper 2 · Question 11 · 7 marks

11. y O Px Figure 2 Figure 2 shows a sketch of the graph with equation y = 2 | x + 4 | − 5 The verte x of the graph is at the point P, shown in Figure 2. (a) Find the coordinate s of P. (2) (b) Solve the equation 3 x + 40 = 2 | x + 4 | − 5 (2) A line l has equation y = ax, where a is a constant. Given that l intersects y = 2 | x + 4 | − 5 at least once, (c) find the range of possible values of a, writing your answer in set notation. (3) 31 32 33