document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=626745>Question 626745</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find c so that x-3y=c is not parallel to 2x-6y=10.\r<BR>\n" );
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document.write( "Show that ax+by=c and bx-ay=kare perpendicular.<BR>\n" );
document.write( "ax+by=c<BR>\n" );
document.write( "m=-a/b<BR>\n" );
document.write( "bx-ay=k<BR>\n" );
document.write( "m=b/a<BR>\n" );
document.write( "I don't get how he did it. Please explain. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #394404 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=394404\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find c so that x-3y=c is not parallel to 2x-6y=10.<BR>\n" );
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document.write( "c does not affect the slope. They are parallel.<BR>\n" );
document.write( "There is no c which will make the not parallel.<BR>\n" );
document.write( "If c = 5, the are coincident, the same line, but that is still the same slope = parallel.<BR>\n" );
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document.write( "Show that ax+by=c and bx-ay=kare perpendicular.<BR>\n" );
document.write( "ax+by=c<BR>\n" );
document.write( "m=-a/b<BR>\n" );
document.write( "bx-ay=k<BR>\n" );
document.write( "m=b/a<BR>\n" );
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document.write( "The 2 slopes are negative inverses --> perpendicular. </SPAN>\n" );
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