Problem 10

Geometry Level 2

Suppose you are given two points, A ( 17 , 19 ) A(17,19) and B ( 11 , 13 ) B(11,13) . Find the position vector A B ⃗ \vec{AB} .

(6,-6) (6,6) (-6,6) (-6,-6)

Ananth Jayadev by Ananth Jayadev , 19, USA

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1 solution

Marta Reece
Jun 6, 2017

I had to guess what "position vector" might be, but decided that it was one from A A to B B .

11 − 17 = − 6 11-17=-6

13 − 19 = − 6 13-19=-6

The vector is ( − 6 , − 6 ) \boxed{(-6,-6)}

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