document.write( "Question 369480: Find the value of r so that the line passing through (-2,-10)and (r,12) has the slope of -11 \n" ); document.write( "

Algebra.Com's Answer #263286 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
Use the formula for slope,
\n" ); document.write( " $\"m=%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29\"$
\n" ); document.write( " $\"%2812-%28-10%29%29%2F%28r-%28-2%29%29=-11\"$
\n" ); document.write( " $\"%2812%2B10%29%2F%28r%2B2%29=-11\"$
\n" ); document.write( " $\"-11%28r%2B2%29=22\"$
\n" ); document.write( " $\"r%2B2=-2\"$
\n" ); document.write( " $\"highlight%28r=-4%29\"$
\n" ); document.write( " \n" ); document.write( "

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