The points Pand Q, as shown in Figure 2. have coordinates (- 2, 13) and (4, - 5) respectively The straight line / passes through P and Q. (a) Find an equation for 7, writing your answer in the form y = mx + c_{x} where and are integers to be found. (3) The quadratic curve C passes through P and has a minimum point at Q. (b) Find an equation for C (31 The region R, shown shaded in Figure 2. lies in the second quadrant and is bounded by C and I only (c) Use inequalities to define region R