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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