document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=26319>Question 26319</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I want to make sure I am doing this correctly in order to instruct my son.  Write the equation of a line through the given point with the given slope.  <BR>\n" );
document.write( "(-3,1); m=3<BR>\n" );
document.write( "y = mx + b     y = 3x + 1, is this correct? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #14182 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=14182\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> hi, the full method of working is as follows:\r<BR>\n" );
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document.write( "y=mx+c is the standard form for a straight line...doesn't matter that you wrote b...just that c is the term usually used.\r<BR>\n" );
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document.write( "Anyhow...m is gradient, so we have y=3x+c\r<BR>\n" );
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document.write( "we need to find the value of c. To do this, we need to know x and y at a specific point, which we do... (-3,1).\r<BR>\n" );
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document.write( "So, 1 = 3(-3) + c<BR>\n" );
document.write( "--> 1 = -9 + c<BR>\n" );
document.write( "--> 10 = c\r<BR>\n" );
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document.write( "so the equation of the straight line is y = 3x + 10.\r<BR>\n" );
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document.write( "Basically, i think you wrote the 1 into the equation for some reason from the co-ordinates. This is definitely incorrect! :-)\r<BR>\n" );
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document.write( "jon.<BR>\n" );
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