June 2024 Paper 1 Q2
2 Factorise \(\quad x^2 - y^2\) [1 mark]
| Answer | Mark | Comments |
|---|---|---|
| \((x + y)(x - y)\) | B1 | either order |
Additional guidance
| Do not condone missing brackets | |
| Penalise further working on answer line | |
| \(xy(xy^{-1} - x^{-1}y)\) | B0 |
| \((-x + y)(-x - y)\) | B1 |