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    Midpoint and length

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    Find the midpoint and length of the line segment PQ where P=(2,-7) and Q=(5,1). We will also use vectors to find the length of the segment.

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    Solution Preview

    The midpoint formula is given by
    M = { ( x2+x1)/2 , (y2+y1)/2 }.

    This gives the point, the x,y coordinate, that is halfway between the endpoints of the line segment PQ, where P=(2,-7) and Q=(5,1).

    For ...

    Solution Summary

    This shows how to find midpoint and length of a given segment.