vector_0524 [6 marks]

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Details

Topic: Vectors and matrices (Transformations and vectors)
Marks: 6
Tier: Extended
Style: Short answer
Calculator: Calculator-free
Status: Usable
Source: vectorsnmatricesclassifieds.pdf, page 5, 0580/22/O/N/11 (original Paper 2)
Import issues: None

Part	Answer	Mark	Guidance
(a)(i)	3a + c	2	M1 for −a + c + 4a or correct route
(a)(ii)	(5/2)a + ½c	2	M1 for a + ½(their AB) or c + 4a − ½(their AB)
(b)	D marked on CB with CD = 3a, i.e. ¾ of the way from C to B	2	B1 for D on CB