document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=162047>Question 162047</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find an equation of the line containing the given pair of points.<BR>\n" );
document.write( "(-7,-2) and (-3,-5)<BR>\n" );
document.write( "The equation of the line is <BR>\n" );
document.write( "y=<BR>\n" );
document.write( "(simplify your answer. Use integers or fractions for any numbers in the expression.) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #119430 by </B><A HREF=/tutors/aboutme.mpl?userid=schrammbledeggs><B>schrammbledeggs(41)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=schrammbledeggs><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=119430\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Well you can find your slope by doing (y2-y1)/(x2-x1)...\r<BR>\n" );
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document.write( "y2 = -5<BR>\n" );
document.write( "y1 = -2<BR>\n" );
document.write( "x2 = -3<BR>\n" );
document.write( "x1 = -7\r<BR>\n" );
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document.write( "(-5 - -2)/(-3 - -7)<BR>\n" );
document.write( "(-3)/(4)<BR>\n" );
document.write( "Your slope = -3/4\r<BR>\n" );
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document.write( "So since we want our answer in the form of y=mx + b...and since we already have m...we can take one of the two points we were given (it doesn't matter which) and plug it in and solve for b.\r<BR>\n" );
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document.write( "I'll use (-7, -2)...\r<BR>\n" );
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document.write( "y=mx+b<BR>\n" );
document.write( "-2 = (-3/4) * (-7) + b<BR>\n" );
document.write( "-2 = (21/4) + b\r<BR>\n" );
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document.write( "Convert -2 into a fraction for the upcoming fractional subtraction...\r<BR>\n" );
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document.write( "-2 = -8/4\r<BR>\n" );
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document.write( "(-8/4) = (21/4) + b\r<BR>\n" );
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document.write( "Subtract (21/4) from both sides...\r<BR>\n" );
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document.write( "(-8/4) - (21/4) = (21/4) + b - (21/4)<BR>\n" );
document.write( "(-29/4) = b\r<BR>\n" );
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document.write( "So now that we have b we can write our equation of that line...\r<BR>\n" );
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document.write( "y = (-3/4)x - (29/4)\r<BR>\n" );
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document.write( "There ya go :) </SPAN>\n" );
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