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

Multiple Choice

Determine whether $\mathbf { u }$ and $\mathbf { v }$ are orthogonal, parallel, or neither.
$$\mathbf { u } = \langle 1,5 \rangle , \mathbf { v } = \langle - 25,2 \rangle$$

A) orthogonal
B) parallel
C) neither