document.write( "Question 560715: Please help me with the following question: determine the value of r so that the line that passes through the points (-9, 1) and (r, -5) has slope -1\r
\n" ); document.write( "\n" ); document.write( "I've tried this:
\n" ); document.write( "m= (-5-1)/(r-3)=-1
\n" ); document.write( "And got the answer of 3 and then checked it and found it as wrong.\r
\n" ); document.write( "\n" ); document.write( "If you can help it would be much appreciated!!
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Algebra.Com's Answer #364016 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
It should be (-5-1)/(r-(-9))=-1, try it again and let me know what you get. \n" ); document.write( "
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