document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=284343>Question 284343</A>: <I><SPAN STYLE=\"word-break: break-all;\"> y = 3x +7 and x + 2y = -10<BR>\n" );
document.write( "a.Are the lines perpendicular? Explain why by comparing the slopes of the lines.\r<BR>\n" );
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document.write( "I just want a guide on how to begin to solve, I dont want the answer. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #206340 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=206340\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> These equations are in standard form ax+by=c not slope intercept form y=mx+b<BR>\n" );
document.write( "In this form the slope is -a/b <BR>\n" );
document.write( "the slope of the first is -3/7<BR>\n" );
document.write( "the second -1/2<BR>\n" );
document.write( "if they were parallel they would be the same <BR>\n" );
document.write( "if they are perpendicular the product of the two slopes would be -1<BR>\n" );
document.write( "they are neither.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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