document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=68343>Question 68343</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0131254502/algebrahomeworkh>Study Guide and Practice Workbood - Prentice Hall Algebra I</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> My son is working on rise over run and finding the slope of a line.  it has been a long time since I have done this kind of Math, he doesn't understand this at all.\r<BR>\n" );
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document.write( "Equation:  Y<3X - 4\r<BR>\n" );
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document.write( "Please explain in steps so that I can explain it fully to him.\r<BR>\n" );
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document.write( "Thank you<BR>\n" );
document.write( "Pam Jernigan </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #48617 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=48617\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Well, first, the \"equation\" you have posted is really an \"inequality\".<BR>\n" );
document.write( "If this was just a typo then we'll proceed from there.<BR>\n" );
document.write( "You probably meant to write:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+3x-4 ALIGN=MIDDLE  ALT=\"y+=+3x-4\"   DISABLED_style= \"max-width:90%; height:auto;\" > instead of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+%3C+3x-4 ALIGN=MIDDLE  ALT=\"y+%3C+3x-4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "This equation of a line is written in what is called the \"slope-intercept\" form <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+mx%2Bb ALIGN=MIDDLE  ALT=\"y+=+mx%2Bb\"   DISABLED_style= \"max-width:90%; height:auto;\" > in which m is the slope and b is the y-intercept.<BR>\n" );
document.write( "Compare this with your equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+3x-4 ALIGN=MIDDLE  ALT=\"y+=+3x-4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+mx%2Bb ALIGN=MIDDLE  ALT=\"y+=+mx%2Bb\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "You can see that the slope, m, is 3 and the y-intercept is -4\r<BR>\n" );
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document.write( "Just by way of explanation, the inequality that you wrote (inadvertently perhaps?) really defines an area rather than a line and the slope of an area is not meaningful, although the slope of the boundary of the area would be meaningful. </SPAN>\n" );
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