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Lesson 26: The Distance and Midpoint Formulas

Topic(s): 
The lesson begins by associating the distance between two points with the right triangle that may be formed by joining the points and extending horizontal and vertical lines through the points. This linking is generalized to derive the distance formula for any two points in the plane. The midpoint formula is then derived by taking the average of the coordinates of the two points. Using the distance formula, the equation for circle is derived and then examples follow for finding the equation of a given circle.
Identifier: 
http://www.curriki.org/xwiki/bin/view/Coll_Group_SanDiegoCommunityCollegesDevelopmentalMathExchange/Lesson26TheDistanceandMidpointFormulas?bc=;Coll_Group_SanDiegoCommunityCollegesDevelopmentalMathExchange.IntermediateAlgebra;Coll_Group_SanDiegoCommunityCo
Rating: 
2.95
Average: 3 (265 votes)
Creator(s): 
Bruce Yoshiwara (Pierce College) and Kathy Yoshiwara (Pierce College)
Cataloger: 
Bohdan Rhodehamel
Publisher: 
Developmental Mathematics Collection
Rights: 
CC BY-NC-SA

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