Posted by **cam** on Saturday, August 18, 2012 at 11:32am.

the end points of a line segment are A (-7, -1) and B (5,5)

determine the equation of right bisector of AB

show that the origin 0,0 lies on the right bisector of AB

- math -
**Reiny**, Saturday, August 18, 2012 at 3:33pm
slope of AB = 6/12 = 1/2

slope of right bisector = -2

midpoint of AB = (-1,2)

equation of right-bisector

y-2 = -2(x+1)

y-2 = -2x - 2

y - 2x

it is obvious that (0,0) satisfies this equation, thus (0,0) lies on this line

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