document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=443081>Question 443081</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Determine wheather the graphs of the equations are perpendicular.<BR>\n" );
document.write( "6x-7y=8<BR>\n" );
document.write( "6y-7x=5\r<BR>\n" );
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document.write( "Are the graphs of the given equations perpendicular?\r<BR>\n" );
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document.write( "No or Yes </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #305615 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=305615\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Determine wheather the graphs of the equations are perpendicular.<BR>\n" );
document.write( "6x-7y=8<BR>\n" );
document.write( "6y-7x=5 <BR>\n" );
document.write( "Are the graphs of the given equations perpendicular? <BR>\n" );
document.write( "No or Yes<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "Check the slopes:<BR>\n" );
document.write( "1st Eq: y = (6/7)x-(8/7)<BR>\n" );
document.write( "slope = 6/7<BR>\n" );
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document.write( "2nd Eq: y = (7/6)x+(5/6)<BR>\n" );
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document.write( "Not perpendicular because the product of the <BR>\n" );
document.write( "slopes is not -1.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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