D Determine Whether $\mathbf { u }$ And $\mathbf { v }$

Multiple Choice

D Determine whether $\mathbf { u }$ and $\mathbf { v }$ are parallel, orthogonal, or neither.
$$\mathbf { u } = \langle - 1,6 , - 3 \rangle , \mathbf { v } = \langle - 3,18 , - 9 \rangle$$

A) parallel
B) orthogonal
C) neither