document.write( "Question 876062: What is the distance between the points (-3,8) and (4,2) to the nearest tenth? \n" ); document.write( "
Algebra.Com's Answer #528538 by jim_thompson5910(35256)\"\" \"About 
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Solved by pluggable solver: Distance Formula

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\n" ); document.write( " The first point is (x1,y1). The second point is (x2,y2)
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\n" ); document.write( " Since the first point is (-3, 8), we can say (x1, y1) = (-3, 8)
\n" ); document.write( " So \"x%5B1%5D+=+-3\", \"y%5B1%5D+=+8\"
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\n" ); document.write( " Since the second point is (4, 2), we can also say (x2, y2) = (4, 2)
\n" ); document.write( " So \"x%5B2%5D+=+4\", \"y%5B2%5D+=+2\"
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\n" ); document.write( " Put this all together to get: \"x%5B1%5D+=+-3\", \"y%5B1%5D+=+8\", \"x%5B2%5D+=+4\", and \"y%5B2%5D+=+2\"
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\n" ); document.write( " Now use the distance formula to find the distance between the two points (-3, 8) and (4, 2)
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\n" ); document.write( " \"d+=+sqrt%28%28x%5B1%5D-x%5B2%5D%29%5E2+%2B+%28y%5B1%5D+-+y%5B2%5D%29%5E2%29\"
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\n" ); document.write( " \"d+=+sqrt%28%28-3+-+4%29%5E2+%2B+%288+-+2%29%5E2%29\" Plug in \"x%5B1%5D+=+-3\", \"y%5B1%5D+=+8\", \"x%5B2%5D+=+4\", and \"y%5B2%5D+=+2\"
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\n" ); document.write( " \"d+=+sqrt%28%28-7%29%5E2+%2B+%286%29%5E2%29\"
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\n" ); document.write( " \"d+=+sqrt%2849+%2B+36%29\"
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\n" ); document.write( " \"d+=+sqrt%2885%29\"
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\n" ); document.write( " \"d+=+9.21954445729289\"
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\n" ); document.write( " Answer:
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\n" ); document.write( " The distance between the two points (-3, 8) and (4, 2) is exactly \"sqrt%2885%29\" units
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\n" ); document.write( " The approximate distance between the two points is about 9.21954445729289 units
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\n" ); document.write( " So again,
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\n" ); document.write( " Exact Distance: \"sqrt%2885%29\" units
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\n" ); document.write( " Approximate Distance: \"9.21954445729289\" units
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