Given line segment AB, the coordinates of A are (3,-5) and the coordinates midpoint are (5,-1), what are the coordinates for B?

Question

Given line segment AB, the coordinates of A are (3,-5) and the coordinates midpoint are (5,-1), what are the coordinates for B?

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Thông Đạt 3 years 2021-08-25T04:30:58+00:00 1 Answers 2 views 0

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    2021-08-25T04:32:34+00:00

    Answer:

              B(7, 3)

    Step-by-step explanation:

    Point P(5, -1) being the midpoint of AB means that  x_P-x_A=x_B-x_P

    5-3=x_B-5\\\\2+5=x_B\\\\x_B=7

    and   y_P-y_A=y_B-y_P

    -1-(-5)=y_B-(-1)\\\\-1+5=y_B+1\\\\y_B=3

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