Higher November 2018 Unit 1 Q10
10. Describe fully the single transformation which maps triangle A onto triangle B. [3]
| Scheme | Marks | Comments |
|---|---|---|
| Enlargement with scale factor -2 and centre (4, 6) | B3 | Accept candidate’s appropriate terminology for ‘scale factor’ or ‘centre’. If B3 not awarded: Award B2 for reference to any two of ‘Enlargement’, ‘-2’ or ‘centre (4, 6)’ (in a single transformation). Award B1 for reference to any one of ‘Enlargement’, ‘-2’ or ‘centre (4, 6) (in a single transformation). The centre may be identified by rays or by a point with coordinates stated. A multi-stage transformation gains a maximum of 1 mark. |