document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=249107>Question 249107</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I do not understand how to solve for m. I know that this should be y=mx+b<BR>\n" );
document.write( "but I cant remember how to do these problems. I have my math final on Monday night and I am really needing help on how to solve these <BR>\n" );
document.write( "the question I am showing is \"Write an equation of the line that passes through the point (-3,-1) and is perpindicular to the line x + 3y = 9. Can someone help me with this? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #181495 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=181495\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Write an equation of the line that passes through the point (-3,-1) and is perpendicular to the line x + 3y = 9. <BR>\n" );
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document.write( "Find the slope of the given line:<BR>\n" );
document.write( "3y = -x + 9<BR>\n" );
document.write( "y = (-1/3)x + 3<BR>\n" );
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document.write( "Slope of the given line is -1/3.<BR>\n" );
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document.write( "Note: Any line perpendicular to the given line must have slope -3.<BR>\n" );
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document.write( "Your Problem:<BR>\n" );
document.write( "You want the equation of the line that has slope -3 and passes thru (-3,-1).<BR>\n" );
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document.write( "Form of the line is y = mx + b; you need to find \"m\" and \"b\":<BR>\n" );
document.write( "m = -3<BR>\n" );
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document.write( "-1 = -3*-3 + b<BR>\n" );
document.write( "-1 = 9 + b<BR>\n" );
document.write( "b = -10<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "y = -3x - 10<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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