document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=22897>Question 22897</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find a Linear function whose graph passes through the given points.<BR>\n" );
document.write( "(8, -1) and (-5, 4)\r<BR>\n" );
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document.write( "A. f(x) = -9/13x + 27/13<BR>\n" );
document.write( "B. f(x) 5/13X = 27/13<BR>\n" );
document.write( "C. f(x) 9/13x + 27/13<BR>\n" );
document.write( "D. f(x)= - 5/13x = 27/13<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #11482 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=11482\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> First find the slope:  \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m=+%28rise%29%2F%28run%29 ALIGN=MIDDLE  ALT=\"m=+%28rise%29%2F%28run%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%284-%28-1%29%29%2F%28-5-8%29 ALIGN=MIDDLE  ALT=\"%284-%28-1%29%29%2F%28-5-8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F%28-13%29 ALIGN=MIDDLE  ALT=\"5%2F%28-13%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-5%29%2F13 ALIGN=MIDDLE  ALT=\"%28-5%29%2F13\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The only multiple choice that has a slope of -5/13 is D, so this must be the answer.  However, just to make sure, let's find the y-intercept, by substituting everything you know into the formula y=mx+b, using x=8, y=-1, and m= -5/13.\r<BR>\n" );
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document.write( "y=mx+b<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-1=%28%28-5%29%2F13%29%2A8+%2B+b ALIGN=MIDDLE  ALT=\"-1=%28%28-5%29%2F13%29%2A8+%2B+b\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "It might be easiest to clear the fraction by multiplying by the denominator which is 13:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=13%2A%28-1%29+=+13%2A%28%28-5%29%2F13%29%2A8+%2B+13b ALIGN=MIDDLE  ALT=\"13%2A%28-1%29+=+13%2A%28%28-5%29%2F13%29%2A8+%2B+13b\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-13+=+-40+%2B+13b ALIGN=MIDDLE  ALT=\"-13+=+-40+%2B+13b\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Next, add 40 to both sides:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-13%2B+40+=+13b ALIGN=MIDDLE  ALT=\"-13%2B+40+=+13b\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=27=13b ALIGN=MIDDLE  ALT=\"27=13b\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Divide both sides by 13:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=27%2F13+=b ALIGN=MIDDLE  ALT=\"27%2F13+=b\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Final answer is <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=+%28%28-5%29%2F13%29x%2B+27%2F13 ALIGN=MIDDLE  ALT=\"y=+%28%28-5%29%2F13%29x%2B+27%2F13\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "I think that is probably what you meant to write for the D answer.\r<BR>\n" );
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document.write( "R^2 at SCC<BR>\n" );
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