If one endpoint is (2,5) and the midpoint is (5,1) what are the coordinates of the other endpoint ???

Question

If one endpoint is (2,5) and the midpoint is (5,1) what are the coordinates of the other endpoint ???

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Thu Hương 6 months 2021-09-05T06:16:36+00:00 1 Answers 1 views 0

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    2021-09-05T06:18:19+00:00

    Answer:

    (8, -3)

    Step-by-step explanation:

    The coordinates of the midpoint are the average of the endpoints.

    5 = (x + 2) / 2

    10 = x + 2

    x = 8

    1 = (y + 5) / 2

    2 = y + 5

    y = -3

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )