document.write( "Question 261769: find the slope of the line, if possible (if the line is undefined, enter undefined) the graph of x=13 \n" ); document.write( "
Algebra.Com's Answer #192881 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
I answered this in your other problem .
\n" ); document.write( "x=13 is a vertical line with undefined slope
\n" ); document.write( "y=13 would be a horizontal line with 0 slope
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