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M is the midpoint of AN, A has coordinates (7,-4), and M has coordinates (3,2). Find the coordinates of N. Explain??

M is the midpoint of AN, A has coordinates (7,-4), and M has coordinates (3,2). Find the coordinates of N. Explain??
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14 votes
M is the midpoint of AN, A has coordinates

(7,-4), and M has coordinates (3,2). Find
the coordinates of N.
Explain??

User Yan Yankelevich
by
8.5k points

1 Answer

3 votes
(7+x)/2= 3

7+x=6

x=(-1,0)

(-4+y)/2= 2

-4+y=4

y=(0,8)

Therefore, N has coordinates (-1,8)

User Wertzui
by
8.3k points
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