document.write( "Question 510954: Find the slope of the line passing through the points (4,8) and (8,7). \n" ); document.write( "
Algebra.Com's Answer #341961 by rfer(16322)\"\" \"About 
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slope m
\n" ); document.write( "m=(7-8)/(8-4)
\n" ); document.write( "m=-1/4
\n" ); document.write( "----------------
\n" ); document.write( "y=mx+b
\n" ); document.write( "7=-1/4*8+b
\n" ); document.write( "7=-2+b
\n" ); document.write( "7+2=b
\n" ); document.write( "b=9
\n" ); document.write( "------------
\n" ); document.write( "y=-1/4x+9
\n" ); document.write( "
\n" );