Higher June 2022 Paper 4 Q18
18 The diagram shows a circle, centre the origin.
Write down the equation of the circle. [2]
| Answer | Marks | Part marks and guidance | |
|---|---|---|---|
| \(x^2 + y^2 = 3^2\) oe final answer | 2 | B1 for \(x^2 + y^2 = k\) (not 9) | \(k\) could be \(r^2\) |