document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=681688>Question 681688</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do you tell whether the graphs of the two equations are parallel lines? </SPAN>\n" );
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document.write( "Two lines are parallel if they have the same slope. </SPAN>\n" );
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