document.write( "Question 815273: Tell whether the lines with the given slopes are parallel, perpendicular, or neither.\r
\n" ); document.write( "\n" ); document.write( "m1 = 3\r
\n" ); document.write( "\n" ); document.write( "m2 = 1/3 \n" ); document.write( "
Algebra.Com's Answer #490813 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "Neither.  In order to be perpendicular, one slope must be the \r\n" );
document.write( "reciprocal of the other WITH THE OPPOSITE SIGN!!!\r\n" );
document.write( "\r\n" );
document.write( "If the slopes had been 3 and -1/3, or -3 and 1/3 they would have been\r\n" );
document.write( "perpendicular.  But these are neither because one slope is just the \r\n" );
document.write( "reciprocal of the other, the sign is not changed.\r\n" );
document.write( "\r\n" );
document.write( "Answer: neither.\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );