Use the Dot Product to Find $|\mathbf{v}|$ - $$\mathbf { v } = \langle - 8,3 \rangle$$

Multiple Choice

Use the dot product to find $|\mathbf{v}|$
- $$\mathbf { v } = \langle - 8,3 \rangle$$

A) 11
B) $\sqrt { 73 }$
C) $- 5$
D) $\mathrm { i } \sqrt { 55 }$