Thank you for the opportunity to help you with your question!

In distinguishing a vector between a point. A vector relies on two points, called an initial point and a terminating point. Whereas a point is only one point.

A = (-2, 11/2), B = (4, 8)

The vector AB in standard form is calculated as AB = <4 - (-2), 8 - (11/2) >

where B is the terminating point and A is the initial point.

vector AB = < 6, 2.5> or

vector AB = < 6, 5/2 >

Please let me know if you need any clarification. I'm always happy to answer your questions.