Answer:
(-1, 4)
Step-by-step explanation:
let the other endpoint be (x, y)
Mid point of the line: ((7 + x)/2 , (4 + y)/2) = (3, 4)
therefore, 7 + x = 6 and 4 + y = 8
hence, x = -1 and y = 4
the other end point is (-1, 4)
Topic: Coordinate Geometry
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