Determine Whether $\mathbf { u }$ And $\mathbf { v }$ Are Parallel, Orthogonal, or Neither

Multiple Choice

Determine whether $\mathbf { u }$ and $\mathbf { v }$ are parallel, orthogonal, or neither.
$$\mathbf { u } = \langle 5,6 , - 8 \rangle , \mathbf { v } = \langle 10,12 , - 16 \rangle$$

A) parallel
B) orthogonal
C) neither