document.write( "Question 80719: How do I find the slope of the line passing through the points
\n" ); document.write( "(-9,-1) and(-2,-1)? My answer is 7, am I right? \n" ); document.write( "

Algebra.Com's Answer #57875 by Earlsdon(6294) $\"\"$ $\"About$

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The slope of a line passing through two points (x1, y1) and (x2, y2) is given by:
\n" ); document.write( " $\"m+=+%28y%5B2%5D-y%5B1%5D%29%2F%28x%5B2%5D-x%5B1%5D%29\"$
\n" ); document.write( "In this problem:
\n" ); document.write( " $\"m+=+%28-1-%28-1%29%29%2F%28-2-%28-9%29%29\"$
\n" ); document.write( " $\"m+=+%28-1%2B1%29%2F%28-2%2B9%29\"$
\n" ); document.write( " $\"m+=+0%2F7\"$
\n" ); document.write( " $\"m+=+0\"$
\n" ); document.write( "The slope is 0 which means the line is horizontal. \n" ); document.write( "

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