document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=892519>Question 892519</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am doing maths revision and i'm really stuck, i have tried the question over and over but keep getting the wrong answer.<BR>\n" );
document.write( "The question is: Determine the equation for a linear graph that passes through (2,1) and is perpendicular to 2x+6y=24<BR>\n" );
document.write( "My answer was y= - 1 over 3x +  5 over three<BR>\n" );
document.write( "We are learning the method of y=mx+c<BR>\n" );
document.write( "Please help :) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #540552 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=540552\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%2B6y=24 ALIGN=MIDDLE  ALT=\"2x%2B6y=24\"   DISABLED_style= \"max-width:90%; height:auto;\" >, the given equation.<BR>\n" );
document.write( "Solve for y.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6y=-2x%2B24 ALIGN=MIDDLE  ALT=\"6y=-2x%2B24\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=-%281%2F3%29x%2B4 ALIGN=MIDDLE  ALT=\"y=-%281%2F3%29x%2B4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Slope is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-1%2F3 ALIGN=MIDDLE  ALT=\"-1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  Any line in the plane perpendicular to it must have slope negative reciprocal of this value; meaning that the line you are looking for must have slope 3.\r<BR>\n" );
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document.write( "Wanting the line you are looking for to contain point (2,1), then use slope intercept form for the line you want, solved for b.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=3x%2Bb ALIGN=MIDDLE  ALT=\"y=3x%2Bb\"   DISABLED_style= \"max-width:90%; height:auto;\" >  -------- you want to know what b is, so solve for it, and then substitute the point which is supposed to be on the line you want.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y-3x=b ALIGN=MIDDLE  ALT=\"y-3x=b\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=y-3x ALIGN=MIDDLE  ALT=\"b=y-3x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=1-3%2A2 ALIGN=MIDDLE  ALT=\"b=1-3%2A2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=-5 ALIGN=MIDDLE  ALT=\"b=-5\"   DISABLED_style= \"max-width:90%; height:auto;\" >-------the y-intercept.\r<BR>\n" );
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document.write( "Line you want is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y=3x-5%29 ALIGN=MIDDLE  ALT=\"highlight%28y=3x-5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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