Homework Help: Math

Posted by Stuck on Wednesday, May 5, 2010 at 10:04pm.

"Three of the coordinates of the parallelogram STUV are S(-2,-2), T(7,7) and U(5,15). State the vector ST and hence determine the coordinates of V."

So I've figured out that ST = (9,9), but I don't see how that helps me find V.

Math - Jocelyn, Thursday, May 27, 2010 at 8:22pm
If you draw it out, it becomes obvious that the vector ST is the same as UV. If ST has a velocity vector of 9,9 then you can find the coordinates of V.
V = (5-9, 15-9)
(5, 15 are coordinates of U)
V = (-4, 6)

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