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3 marksDescribe transformation4MA1 Set 1 P1H Q5b style ✏️ No calculator
On a coordinate grid, shape A maps to shape B. Shape A has vertices at (1,1), (3,1), (3,2). Shape B has vertices at (−1,1), (−3,1), (−3,2). Describe fully the single transformation that maps A onto B. (3 marks)
Hint: Check each vertex. If x is negated and y stays same → reflection in y-axis. If both negate → rotation 180° about origin. State the transformation type, then all details needed.
+30 XP
3 marksEnlargement4MA1 style ✏️ No calculator
Triangle P has vertices at (2,1), (4,1), (4,3). It is enlarged with centre (0,0) and scale factor 2.5. Find the coordinates of the enlarged triangle. (3 marks)
Hint: For enlargement from origin: multiply each coordinate by the scale factor. For other centres: find the vector from centre to each vertex, multiply by SF, add back to centre.
+30 XP
4 marksVector proofGrade 7 Booklet style ✏️ No calculator
OABC is a parallelogram. OA = a and OC = c. M is the midpoint of BC. N is the midpoint of AB. Show that MN is parallel to OA. (4 marks)
Hint: Express the position vectors of M and N in terms of a and c. Find vector MN = ON − OM. If MN = k×(OA vector) for some scalar k, then MN is parallel to OA.
+40 XP
1 markColumn vector addition4MA1 style
Vector a = (3/−2) and vector b = (−1/5). What is 2a − b?
A (5/−1)
B (7/−9)
C (5/−9)
D (6/−4)
1 markScale factor negative4MA1 style
An enlargement with negative scale factor means:
A The image is smaller than the object
B The image is on the opposite side of the centre of enlargement, rotated 180°