Posted by **Andy** on Tuesday, April 23, 2013 at 10:52pm.

M(-4,-2) is the midpoint of RS. If S has coordinates (-2,5), find the coordinates of R.

- Midpoint Help / Math -
**rbowh**, Wednesday, April 24, 2013 at 12:12am
Midpoint formula:

M = [ (x1 + x2)/2 , (y1 + y2)/2]

(-4,2) = [ (-2 + x)/2 , (5, + y)/2 ]

-4 = (-2 + x)/2 and 2 = (5 + y)/2

-8 = -2 + x. and 4 = 5 + y

-6 = x. and -1 = y

Coordinates of R (-6, -1)

## Answer This Question

## Related Questions

- Geometry; Check answers? - For each graph, find (a)AB to the nearest tenth and (...
- Math - The position vectors A and B with respect to the origin O,(-8,5) are (12...
- math - The position vectors of points A and B with respect to the origin 0, are...
- math - The position vectors of points A and B with respect to the origin 0, are...
- Geometry - The midpoint of line segment AB is (1,2). The coordinates of A are (-...
- geometry - in triangle GHJ, K(2,3) is the midpoint of GH, L(4,1) is the midpoint...
- geometry - in triangle GHJ, k(2,3) is the midpoint of GH, l(4,1) is the midpoint...
- Geometry - The midpoint of UV is (5, -11). The coordinates of one endpoint are U...
- geometry - In triangle DEF, A(2,3) is the midpoint of DE, B(4,1) is the midpoint...
- geometry - B is the midpoint of AC. A has coordinates (-3,4), and B has ...

More Related Questions