Find the Component Form and Magnitude of the Indicated Vector $\mathrm { P } = ( - 4 , - 5 )$

Multiple Choice

Find the component form and magnitude of the indicated vector.
-Given that $\mathrm { P } = ( - 4 , - 5 )$ and $\mathrm { Q } = ( - 2,4 )$ , find the component form and magnitude of the vector $\overrightarrow { \mathrm { QP } }$ .

A) $\langle - 2 , - 9 \rangle , 85$
B) $( - 2 , - 9 \rangle , \sqrt { 85 }$
C) $( 2,9 ) , \sqrt { 85 }$
D) $\langle - 6 , - 9 \rangle , \sqrt { 75 }$