MathDB
Locus of midpoints

Source: Canada 1970, Problem 8

May 14, 2006
parameterizationconicsellipsegeometry unsolvedgeometry

Problem Statement

Consider all line segments of length 4 with one end-point on the line y=xy=x and the other end-point on the line y=2xy=2x. Find the equation of the locus of the midpoints of these line segments.