What two properties determine a vector?
If OA→=a\overrightarrow{OA}=\mathbf{a}OA=a and OB→=b\overrightarrow{OB}=\mathbf{b}OB=b, then AB→=b−a\boxed{\overrightarrow{AB}=\mathbf{b}-\mathbf{a}}AB=b−a.
They point in opposite directions.
Its magnitude and direction.
(214)\begin{pmatrix}2\\1\\4\end{pmatrix}214
Flashcards for WJEC A Level Maths 1.9.4 Vectors, covering the key formulae, methods and definitions you need to recall for AS Unit 1, AS Unit 2, A2 Unit 3 and A2 Unit 4. 22 cards, matched to the WJEC A Level Maths (1300QS) specification. Recall questions account for roughly 50% of marks at A Level Maths, so these target the marks you can secure before the paper starts.