# Past Papers’ Solutions | Edexcel | AS & A level | Mathematics | Core Mathematics 1 (C1-6663/01) | Year 2006 | January | Q#10

Question a. Find the values of the constants a and b. b. In the space provided below, sketch the graph of , indicating clearly the coordinates of any intersections with the coordinate axes. c. Find the value of the discriminant of . Explain how the sign of the discriminant relates to your sketch in part (b). […]