Find the coordinates of the vector AB, for this, subtract the coordinates of the starting point A from the coordinates of the end point B:
AB = ((-1 – (-3)); (-1 – 7) = (2; -8).
Since AB = CK, the coordinates of point K are equal (from the coordinates of point C, you need to subtract the coordinates of the vector CK):
((5 – 2); (3 – (-8)) = (3; 11).
Answer: the required coordinates of the point K are equal to (3; 11).
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