document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=987825>Question 987825</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me understand how to determine if these pairs of lines are perpendicular parallel or neither:\r<BR>\n" );
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document.write( "1. y = 4/3<BR>\n" );
document.write( "2. -4x = 3<BR>\n" );
document.write( "3. x = 4/3   </SPAN>\n" );
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document.write( "1. &nbsp;y = 4/3. &nbsp;&nbsp;It is horizontal line parallel to the &nbsp;x-axis.\r<BR>\n" );
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document.write( "2. &nbsp;-4x = 3. &nbsp;&nbsp;It is vertical line parallel to the &nbsp;y-axis.\r<BR>\n" );
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document.write( "3. &nbsp;x = 4/3. &nbsp;&nbsp;It is vertical line parallel to the &nbsp;y-axis.\r<BR>\n" );
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document.write( "So, &nbsp;the line &nbsp;\"1\"&nbsp; is perpendicular to lines &nbsp;\"2\" &nbsp;and &nbsp;\"3\".\r<BR>\n" );
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document.write( "The line &nbsp;\"2\"&nbsp; is parallel to the line &nbsp;\"3\". \r<BR>\n" );
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