document.write( "Question 1183814: Find the gradient of the line joining each of the following points *(2,3)and(4,7)
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Algebra.Com's Answer #814326 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( " Find the gradient of the line joining each of the following points \r
\n" ); document.write( "\n" ); document.write( "the gradient of the line is a slope\"m\"\r
\n" ); document.write( "\n" ); document.write( "(\"2\",\"3\") and (\"4\",\"7\")\r
\n" ); document.write( "\n" ); document.write( "\"m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m=%287-3%29%2F%284-2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m=4%2F2\"\r
\n" ); document.write( "\n" ); document.write( "\"m=2\"\r
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\n" ); document.write( "\n" ); document.write( "(\"-1\",\"3\") and (\"5\",\"4\")\r
\n" ); document.write( "\n" ); document.write( "\"m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m=%284-3%29%2F%285-%28-1%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m=1%2F%285%2B1%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m=1%2F6\"\r
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\n" ); document.write( "\n" ); document.write( "(\"-5\",\"-5\") and (\"-7\",\"-5\")\r
\n" ); document.write( "\n" ); document.write( "\"m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m=%28-5-%28-5%29%29%2F%28-7-%28-5%29%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m=%28-5%2B5%29%2F%28-7%2B5%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m=0%2F%28-2%29\"\r
\n" ); document.write( "\n" ); document.write( "\"m=0+\" ->a zero slope has a horizontal line\r
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