# Math Help - Vectors w/ 2 points !

1. ## Vectors w/ 2 points !

Write the ordered pair notation of the vector that points from
C(17, -18) to B(17, -32). Find the ||CB|| and its direction.

2. Originally Posted by needmathhelptoujours
Write the ordered pair notation of the vector that points from
C(17, -18) to B(17, -32). Find the ||CB|| and its direction.
The staionary vector pointing from the origin to C is $\vec c = \overrightarrow{OC} = (17, -18)$ and similarily $\vec b = (17, -32)$

The vector $\overrightarrow{CB} = \vec b - \vec c = (17, -32)-(17, -18) = (0,-14)$

Obviously it's length is 14 and it has the direction of the negative y-axis.