Homework Help: Geometry

Posted by Lydia on Thursday, July 21, 2011 at 10:49pm.

M is the midpoint of segment AN, A has coordinates (-6,2) and M has coordinates (-1, -3). What are the coordinates of N?

Geometry - Damon, Thursday, July 21, 2011 at 11:03pm
-1 - (-6) = +5
-1 + 5 = 4

-3 -2 = -5
-3 +(-5) = -8
so
(4,-8)

check
Is -1 halfway between -6 and +4
yes
Is -3 halfway between 2 and -8
yes
Geometry - Lydia, Thursday, July 21, 2011 at 11:08pm
Ok, I think I understand. so the coordinates of N are (4, -8)
Geometry - Damon, Thursday, July 21, 2011 at 11:10pm
yes
Geometry - Damon, Thursday, July 21, 2011 at 11:10pm
Graph it to see what I did.
Geometry - Lydia, Thursday, July 21, 2011 at 11:22pm
Thanks so much! I get it now

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