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The Maximum and Minimum of Two Numbers Using the Quadratic Formula

A derivation of the formulas \(\max(r,s)=\frac{1}{2}(r+s+|r-s|)\) and \(\min(r,s)=\frac{1}{2}2(r+s-|r-s|)\)

Old Node ID: 
751
Author(s): 
Dan Kalman (Augustana College)
Publication Date: 
Wednesday, August 3, 2005
Original Publication Source: 
College Mathematics Journal
Original Publication Date: 
September, 1984
Subject(s): 
Algebra and Number Theory
Algebra
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Publish Page: 
Furnished by JSTOR: 
Rating Count: 
24.00
Rating Sum: 
75.00
Rating Average: 
3.13
Author (old format): 
Dan Kalman
Applicable Course(s): 
2.1 College Algebra
Modify Date: 
Wednesday, February 1, 2006
Average: 3.2 (24 votes)

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