M(4, 2) is the midpoint of RS. The coordinate of S are (6, 1). What are the coordinates of R?

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M(4, 2) is the midpoint of RS. The coordinate of S are (6, 1). What are the coordinates of R?

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Cherry 7 months 2021-07-31T01:24:08+00:00 1 Answers 16 views 0

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  1. RuslanHeatt
    0
    2021-07-31T01:25:50+00:00
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    Answer:

    Step-by-step explanation:

    Compare coordinates of S and M

    difference in x-coordinates = 4-6 = -2

    difference in y-coordinates = 2-1 = 1

    x-coordinate of R = x-coordinate of M – 2 = 4-2 = 2

    y-coordinate of R = y-coordinate of M + 1 = 3

    R(2,3)

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