document.write( "Question 1205568: Find the value of r so the line that passes through each pair of points has the given slope(r, -5), (3,13), m=8 \n" ); document.write( "
Algebra.Com's Answer #842462 by MathLover1(20850)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( " given:\r
\n" ); document.write( "\n" ); document.write( "points: (\"r\", \"-5\"), (\"3\",\"13\")\r
\n" ); document.write( "\n" ); document.write( " slope: \"m=8\"\r
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\n" ); document.write( "\n" ); document.write( "use a formula for a slope\r
\n" ); document.write( "\n" ); document.write( "\"m+=+%28y2+-+y1%29+%2F+%28x2+-+x1%29\"\r
\n" ); document.write( "\n" ); document.write( "substitute given values\r
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\n" ); document.write( "\n" ); document.write( "\"8+=+%2813+-+%28-5%29%29+%2F+%283+-+r%29\"\r
\n" ); document.write( "\n" ); document.write( "\"8%283+-+r%29+=+%2813+%2B5%29++\"\r
\n" ); document.write( "\n" ); document.write( "\"24+-+8r+=+18+\"\r
\n" ); document.write( "\n" ); document.write( "\"24+-+18+=+8r\"\r
\n" ); document.write( "\n" ); document.write( "\"6+=+8r\"\r
\n" ); document.write( "\n" ); document.write( "\"r=6%2F8\"
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\n" ); document.write( "\"r=3%2F4\"\r
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