document.write( "Question 472311: Find the slope of the line through the pair of points.
\n" ); document.write( "(-9,-6) and (-9,-8)
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #323834 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
x1 y1 x2 y2
\n" ); document.write( "-9 -6 -9 -8
\n" ); document.write( "
\n" ); document.write( "slope m = (y2-y1)/(x2-x1)
\n" ); document.write( "( -8 - -6 )/( -9 - -9 )
\n" ); document.write( "( -2 / 0 ) \r
\n" ); document.write( "\n" ); document.write( "it is parallel to the y axis
\n" ); document.write( "
\n" ); document.write( "
\n" );