Find the coordinates of point B if point M is the coordinate of the midpoint of the line segment AB
| August 16, 2021 | education
Find the coordinates of point B if point M is the coordinate of the midpoint of the line segment AB. a) (2; 1), M (3; 2) b) A (3; -1), M (-1; 1)
a) (2 + x) / 2 = 3; x = 4;
(1 + y) / 2 = 2; y = 3.
Answer: B (4; 3).
b) (3 + x) / 2 = – 1; x = – 5;
(- 1 + y) / 2 = 1; y = 3.
Answer: B (- 5; 3).
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