document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1001484>Question 1001484</A>: <I><SPAN STYLE=\"word-break: break-all;\"> http://media261.acellus.com/Library/00001230_92_731_A1.png<BR>\n" );
document.write( "Can you help me? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #618645 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=618645\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" src = \"http://media261.acellus.com/Library/00001230_92_731_A1.png\" alt=\"$$$\" </>\r<BR>\n" );
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document.write( "(x1,y1) = (2000,1000)<BR>\n" );
document.write( "(x2,y2)= *(2012,3400)\r<BR>\n" );
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document.write( "slope = (y2-y1) / (x2-x1) = 2400 / 12 = 200\r<BR>\n" );
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document.write( "y = mx + b is slope intercept form of linear equation.<BR>\n" );
document.write( "m is the slope.<BR>\n" );
document.write( "b is the y-intercept.\r<BR>\n" );
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document.write( "replace m with 200 and you get:\r<BR>\n" );
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document.write( "y = mx + b becomes y = 200x + b\r<BR>\n" );
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document.write( "replace y and x with the values of one of the coordinate points and then solve for b.\r<BR>\n" );
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document.write( "we'll use (x1,y1) = (2000,1000)\r<BR>\n" );
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document.write( "y = mx + b becomes 1000 = 200*2000 + b\r<BR>\n" );
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document.write( "solve for b to get b = 1000 - 200*2000 = 1000 - 400000 = -399000\r<BR>\n" );
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document.write( "y = mx + b becomes y = 200x - 399000\r<BR>\n" );
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document.write( "when x = 2000, y = 200*2000 - 399000 = 400000 - 399000 = 1000\r<BR>\n" );
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document.write( "when x = 2012, y = 200*2012 - 399000 = 402400 - 399000 = 3400\r<BR>\n" );
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document.write( "your equation is y = 200x - 399000.\r<BR>\n" );
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