O-LevelMathematicsVectors and transformations4024/12 · Oct/Nov 2019 · Q214 Marks
The diagram shows points O and C and the vectors p and q. [Figure X.X]
- (a)Given that O A = 2p, mark and label the point A on the diagram.[1]
- (b)Given that O B = p − 2q, mark and label the point B on the diagram.[1]
- (c)Express O C in terms of p and q.[2]
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2019). The mark or mark type is shown in brackets.
- [1] (a) A positioned correctly
- [1] (b) B positioned correctly
- [2] (c) 2q - p oe B1 for 2q oe or for – p oe If 0 scored, SC1 for answer p - 2q
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