1MA0 Higher June 2012 Paper 2 Q8
8
(a) Rotate triangle A \(90^\circ\) clockwise, centre \(O\). (2)
(b) Enlarge triangle B by scale factor 3, centre (1, 2). (3)
| Answer | Mark | Notes |
|---|---|---|
| Triangle with vertices (2,–1) (4, –1) (4, –4) | 2 | B2 for triangle with vertices (2,–1) (4, –1) (4, –4) (B1 for triangle in correct orientation or rotated 90° anticlockwise centre O |
| Answer | Mark | Notes |
|---|---|---|
| Triangle with vertices (7, 2) (13, 2) (7, 11) | 3 | B3 for triangle with vertices (7, 2) (13, 2) (7, 11) (B2 for 2 vertices correct or enlargement scale factor 3 in wrong position or enlargement, centre (1,2), with different scale factor) (B1 for 1 vertex correct or enlargement, not from (1,2), different scale factor) |