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 5 years 2021-09-05T06:16:36+00:00 1 Answers 16 views 0

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  1. Xavia
    0
    2021-09-05T06:18:19+00:00
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    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 = ? ( )