math
posted by Anonymous .
Indicate the equation of the line that is the perpendicular bisector of the segment with endpoints (4, 1) and (2, 5).

m = (5  1)/(24) = 3
m' = 1/m = 1/3
y = x/3 + b
find point on original line halfway between
x = (4 +2 )/2 = 3
y = (1  5)/2 = 2
so
2 = 3/3 + b
b = 1
so
y = x/3  1
3 y = x  3
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