document.write( "Question 176109: Find the distance between the points (2,3) and (4,-1). \n" ); document.write( "

Algebra.Com's Answer #131199 by Alan3354(69443) $\"\"$ $\"About$

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Find the distance between the points (2,3) and (4,-1).
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\n" ); document.write( "It's $\"sqrt%28dy%5E2+%2B+dx%5E2%29\"$ dy = difference in y, dx in difference in x
\n" ); document.write( "= $\"sqrt%28%28-1-3%29%5E2+%2B+%284-2%29%5E2%29\"$
\n" ); document.write( "= $\"sqrt%28-4%5E2+%2B+2%5E2%29\"$
\n" ); document.write( "= $\"sqrt%2816%2B4%29\"$
\n" ); document.write( "= $\"sqrt%2820%29\"$
\n" ); document.write( "= $\"2sqrt%285%29\"$
\n" ); document.write( "=~ 4.472
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