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Point a is at (-2,4) and point m is at (2.5,3.5). Point m is the midpoint of point A and B. What are the coordinates of point B?
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Point a is at (-2,4) and point m is at (2.5,3.5). Point m is the midpoint of point A and B. What are the coordinates of point B?

User Wojciech Nagrodzki
by
5.2k points

2 Answers

2 votes

Answer:

Point B is (7,3)

Explanation:

User Mtvec
by
5.1k points
3 votes
Find x coordinate
(xa + xb)/2 = xm
(-2 + xb)/2 = 2.5
-2 + xb = 5
xb = 7

Find y coordinate
(ya + yb)/2 = ym
(4 + yb)/2 = 3.5
4 + yb = 7
yb = 3

Coordinates of point B is (7,3)
User MrStahlfelge
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5.9k points
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