Use the Dot Product to Find $|\mathbf{v}|$ - $$\mathbf { v } = \langle - 2 , - 1 \rangle$$

question 50

Multiple Choice

Use the dot product to find $|\mathbf{v}|$
- $$\mathbf { v } = \langle - 2 , - 1 \rangle$$

• A) \(- 3\)
• B) \(\sqrt { 3 }\)
• C) \(- 1\)
• D) \(\sqrt { 5 }\)