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Edexcel A-Level Mathematics A2 P4.7.3 Vector Addition and Scalar Multiplication Questions

Practise Edexcel IAL P4.7.3 vector addition: combine components, multiply by scalars, and interpret position-vector geometry.

Syllabus
First assessment 2019
Course
Mathematics YMA01
Level
A2

Exam points

  • Add or subtract vectors component by component
  • Multiply a vector by a scalar to obtain a displacement or direction
  • Interpret vector operations geometrically using position vectors

Edexcel A-Level Mathematics A2 P4.7.3 Vector Addition and Scalar Multiplication Questions question 1

[Maximum number: 2]
Figure 1

Figure 1

Figure 1 shows a sketch of triangle PQR.
Given that
- PQ→=2i−3j+4k\overrightarrow{P Q}=2 \mathbf{i}-3 \mathbf{j}+4 \mathbf{k}
- PR→=8i−5j+3k\overrightarrow{P R}=8 \mathbf{i}-5 \mathbf{j}+3 \mathbf{k}

Find RQ→\overrightarrow{R Q}

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