Find the Component Form and the Magnitude of the Vector $\mathbf { v } = \langle 1 , - 8 \rangle ; \| \mathbf { v } \| = 15$

Multiple Choice

Find the component form and the magnitude of the vector v. Initial Point
Terminal Point
(1,3)
(-8,-9)

A) $\mathbf { v } = \langle 1 , - 8 \rangle ; \| \mathbf { v } \| = 15$
B) $\mathbf { v } = \langle - 9 , - 12 \rangle ; \| \mathbf { v } \| = 8$
C) ? $\mathbf { v } = \langle - 9 , - 12 \rangle ; \| \mathbf { v } \| = 15$
D) ? $\mathbf { v } = \langle - 8 , - 9 \rangle ; \| \mathbf { v } \| = 12$
E) ? $\mathbf { v } = \langle 1 , - 8 \rangle ; \| \mathbf { v } \| = 8$