the coordinates of point A(-3,2) and the coordinates of point B(4,1) what is the length of AB?

Question

the coordinates of point A(-3,2) and the coordinates of point B(4,1) what is the length of AB?

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Dulcie 4 years 2021-08-09T07:11:01+00:00 1 Answers 12 views 0

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  1. thienthanh
    0
    2021-08-09T07:12:58+00:00
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    9514 1404 393

    Answer:

      AB = 5√2

    Step-by-step explanation:

    The length of AB is given by the distance formula:

      d = √((x2 -x1)² +(y2 -y1)²)

      d = √((4 -(-3))² +(1 -2)²) = √(7² +(-1)²) = √(49 +1) = √50

    The length of AB is √50 = 5√2.

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