Posted by **Jim** on Saturday, August 4, 2007 at 12:23pm.

If M is the midpoint of line AB.How do i Find the coordinates of B given A(4,-2) and M(1,3).

M = (A + B)/2 ---->

B = 2 M - A = 2(1,3) - (4,-2) =

(2-4,6+2) = (-2,8)

## Answer this Question

## Related Questions

- geometry - M is the midpoint ofSymbol for segment A B.. Line segment A B, with ...
- Geometry; Check answers? - For each graph, find (a)AB to the nearest tenth and (...
- geometry - Given the coordinates of one endpoint of line segment AB and its ...
- Geometry - The midpoint of line segment AB is (1,2). The coordinates of A are (-...
- Geometry - Find the coordinates of the missing endpoint given that S is the ...
- geometry - question is: find the coordinates of midpoint P of line BC. Calculate...
- GEOMETRY MIDPOINT FORMULA steve how did this hapn - If a line is extended from A...
- Geometry - Geometric Proofs.... Write a justification for each step Given: AB = ...
- geometry - One endpoint and the midpoint of a segment are given. Find the ...
- geometry - in triangle GHJ, k(2,3) is the midpoint of GH, l(4,1) is the midpoint...

More Related Questions