document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=527795>Question 527795</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this I have a test tomorrow and I'm scared!\r<BR>\n" );
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document.write( "Determine whether the graph of the equation is perpendicular.\r<BR>\n" );
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document.write( "6y-x=-12<BR>\n" );
document.write( "1/6x +y =3 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #349025 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=349025\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Determine whether the graph of the equation is perpendicular.\r<BR>\n" );
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document.write( "6y-x=-12<BR>\n" );
document.write( "1/6x +y =3<BR>\n" );
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document.write( "Find the slope, m, of each equation.<BR>\n" );
document.write( "To do that, solve for y<BR>\n" );
document.write( "6y-x=-12<BR>\n" );
document.write( "6y = x - 12<BR>\n" );
document.write( "y = (1/6)x - 2<BR>\n" );
document.write( "The slope is the coefficient of x, 1/6<BR>\n" );
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document.write( "Do the other eqn:<BR>\n" );
document.write( "1/6x +y =3<BR>\n" );
document.write( "y = (-1/6)x + 3<BR>\n" );
document.write( "The slope is -1/6<BR>\n" );
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document.write( "If they're perpendicular, the slopes are negative inverses, or their product is -1<BR>\n" );
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document.write( "(1/6)*(-1/6) = -1/36, not -1, so they're not perpendicular.<BR>\n" );
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document.write( "To be perpendicular, the 2nd slope would be -6, not -1/6<BR>\n" );
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