Coordinate Geometry (Circles) (AQA-2008) Archives — O/A Level Solutions

Past Papers’ Solutions | Assessment & Qualification Alliance (AQA) | AS & A level | Mathematics 6360 | Pure Core 1 (6360-MPC1) | Year 2008 | June | Q#7

  Question The circle S has centre C(8,13) and touches the x-axis, as shown in the diagram. a.   Write down an equation for S, giving your answer in the form b.   The point P with coordinates (3,1) lies on the circle.                     i.       Find the gradient of the straight line passing through P and C.                   ii.       Hence […]

Past Papers’ Solutions | Assessment & Qualification Alliance (AQA) | AS & A level | Mathematics 6360 | Pure Core 1 (6360-MPC1) | Year 2008 | January | Q#4

  Question A circle with centre C has equation .  a.   By completing the square, express this equation in the form b.    Write down:                            i.       the coordinates of C;                          ii.       the radius of the circle, leaving your answer in surd form. c.   A line has equation .                            i.       Show that the x-coordinate of any point of intersection of […]