document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=510207>Question 510207</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you determine whether a pair of lines are parallel, perpendicular, or neither?\r<BR>\n" );
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document.write( "ex.  \r<BR>\n" );
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document.write( "5x=3y+3<BR>\n" );
document.write( "-10x+6y=3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #341770 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=341770\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> these lines are parallel because they have the same slope\r<BR>\n" );
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document.write( "solving the equations for y, puts the lines into slope-intercept form (y = mx + b)<BR>\n" );
document.write( "___ m is the slope of the line and b is the y-intercept (where the line crosses the y-axis)\r<BR>\n" );
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document.write( "5x=3y+3 ___ y = (5/3)x - 1\r<BR>\n" );
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document.write( "-10x+6y=3 ___ y = (5/3)x + (1/2)\r<BR>\n" );
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document.write( "if the slopes were negative-reciprocals of each other, the lines would be perpendicular\r<BR>\n" );
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document.write( "anything else would be neither </SPAN>\n" );
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