document.write( "Question 211521: I need help finding the distance between the points (3, 8) and (-1, 9)please and a set of easy steps to follow if so I can do more questions like it Thank you! \n" ); document.write( "
Algebra.Com's Answer #159837 by jim_thompson5910(35256)\"\" \"About 
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\n" ); document.write( "Note: is the first point . So this means that \"x%5B1%5D=3\" and \"y%5B1%5D=8\".\r
\n" ); document.write( "\n" ); document.write( "Also, is the second point . So this means that \"x%5B2%5D=-1\" and \"y%5B2%5D=9\".\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%28%28x%5B1%5D-x%5B2%5D%29%5E2%2B%28y%5B1%5D-y%5B2%5D%29%5E2%29\" Start with the distance formula.\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%28%283--1%29%5E2%2B%288-9%29%5E2%29\" Plug in \"x%5B1%5D=3\", \"x%5B2%5D=-1\", \"y%5B1%5D=8\", and \"y%5B2%5D=9\".\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%28%284%29%5E2%2B%288-9%29%5E2%29\" Subtract \"-1\" from \"3\" to get \"4\".\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%28%284%29%5E2%2B%28-1%29%5E2%29\" Subtract \"9\" from \"8\" to get \"-1\".\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%2816%2B%28-1%29%5E2%29\" Square \"4\" to get \"16\".\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%2816%2B1%29\" Square \"-1\" to get \"1\".\r
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\n" ); document.write( "\n" ); document.write( "\"d=sqrt%2817%29\" Add \"16\" to \"1\" to get \"17\".\r
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\n" ); document.write( "\n" ); document.write( "So our answer is \"d=sqrt%2817%29\" \r
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\n" ); document.write( "\n" ); document.write( "Which approximates to \"d=4.123\" \r
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\n" ); document.write( "\n" ); document.write( "So the distance between the two points is approximately 4.123 units. \r
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