Find the Component Form of the Indicated Vector $\mathbf { u } = \langle 2 , - 8 \rangle$

Multiple Choice

Find the component form of the indicated vector.
-Let $\mathbf { u } = \langle 2 , - 8 \rangle$ . Find $7 \mathbf { u }$ .

A) $\langle 14,56 \rangle$
B) $\langle 14 , - 56 \rangle$
C) $\langle - 14,56 \rangle$
D) $\langle - 14 , - 56 \rangle$