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1.13 J: Vectors

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Question 49

In triangle $A B C$ , $AB⃗=6i+2j−k\vec{AB} = 6\mathbf{i} + 2\mathbf{j} - \mathbf{k}$ , $AC⃗=8i−5j+4k\vec{AC} = 8\mathbf{i} - 5\mathbf{j} + 4\mathbf{k}$

Find the vector $BC⃗\vec{BC}$

[3]

Find the length of the line $A B$

[2]

Markscheme

1.13 J: Vectors Questions

A Level
Maths
1.13 J: Vectors

168 exam-style questions on AQA A Level Maths 1.13 J: Vectors, covering 1.13.1 Vectors in two and three dimensions, 1.13.2 Magnitude and direction of a vector, 1.13.3 Vector arithmetic, 1.13.4 Position vectors, and 1.13.5 Vectors to solve problems. Each one has a worked solution and a mark scheme showing where the marks go.

1.13 J: Vectors

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1.13 J: Vectors

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Question 49

In triangle $A B C$ , $AB⃗=6i+2j−k\vec{AB} = 6\mathbf{i} + 2\mathbf{j} - \mathbf{k}$ , $AC⃗=8i−5j+4k\vec{AC} = 8\mathbf{i} - 5\mathbf{j} + 4\mathbf{k}$

Find the vector $BC⃗\vec{BC}$

[3]

Find the length of the line $A B$

[2]

Markscheme

1.13 J: Vectors Questions

A Level
Maths
1.13 J: Vectors