document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=575955>Question 575955</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the equation of the line passing through the points (3, 5) and (2.8, 6).\r<BR>\n" );
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document.write( "Here is what I did: \r<BR>\n" );
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document.write( "(x1 is 3, y1 is 5), (x2 is 2.8, y2 is 6)\r<BR>\n" );
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document.write( "A. \r<BR>\n" );
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document.write( "Slope = y2 - y1/x2 - x1<BR>\n" );
document.write( "Slope = 6 - 5/2.8 - 3 <BR>\n" );
document.write( "      = 1/-0.2 <BR>\n" );
document.write( "      = -5\r<BR>\n" );
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document.write( "B.\r<BR>\n" );
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document.write( "y = mx + b<BR>\n" );
document.write( "I picked ordered pair (3, 5) to find the y-intercept.<BR>\n" );
document.write( "5 = -5(3) + b<BR>\n" );
document.write( "5*-5 = -5*3 + b<BR>\n" );
document.write( "-25 = -15 + b<BR>\n" );
document.write( "-25 - (-15) + b<BR>\n" );
document.write( "= -10\r<BR>\n" );
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document.write( "C. The equation is y = -5x - 10\r<BR>\n" );
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document.write( "Let me know if I did it correct, and if it is incorrect please do explain me how it works. Thank you.\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #369670 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=369670\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You have the correct slope, you just made an error in finding the y-intercept\r<BR>\n" );
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document.write( "y = mx+b\r<BR>\n" );
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document.write( "y = -5x + b\r<BR>\n" );
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document.write( "5 = -5(3) + b\r<BR>\n" );
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document.write( "5 = -15 + b\r<BR>\n" );
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document.write( "5 + 15 = b\r<BR>\n" );
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document.write( "20 = b\r<BR>\n" );
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document.write( "b = 20\r<BR>\n" );
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document.write( "So the equation is y = -5x + 20 </SPAN>\n" );
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