Mathematics for IGCSE & O level - Vectors (Section 1 - No. 23)
In a column vector \[\begin{bmatrix} 3 \\ -2 \end{bmatrix}\], what does the 3 represent?
Movement to the left.
Movement to the right.
Movement up.
Movement down.
解释
The top number represents movement left or right. A positive number indicates movement to the right.