June 2016 Paper 1 Q4
4 The equation of a circle is \(\qquad (x + 5)^2 + (y - 8)^2 = 10\)
(a) What are the coordinates of the centre of the circle?
Circle your answer. [1 mark]
- \((-5, -8)\)
- \((-5, 8)\)
- \((5, 8)\)
- \((5, -8)\)
(b) Write down the radius of the circle. [1 mark]
| Answer | Mark | Comments |
|---|---|---|
| \((-5, 8)\) | B1 |
| Answer | Mark | Comments |
|---|---|---|
| \(\sqrt{10}\) or [3.1, 3.2] | B1 |