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A is the point (98, -17) and B is the point (-39, 39). The vector $\vec {BA}$ has column form given by $\left( \begin {array}{c} h \\ k \end {array}\right)$

What is the value of h?

Cant figure how to resolve this.. do i need to add point A and B after converting them to component form?

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It looks like you already have them in components. The vector is from $B$ to $A$, so you need to subtract the components, which is subtracting $\vec {OA}- \vec {OB}$.

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    @JackyBoi: I confused myself, and André Nicolas got it right. I have fixed the answer.2012-09-11