document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=312698>Question 312698</A>: <I><SPAN STYLE=\"word-break: break-all;\"> graph the set of data. decide whether a linear model is reasonable. if so, draw a trend line and write its equation<BR>\n" );
document.write( "{(1,7),(-2,1),(3,13),(-4,-3),(0,5)} </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #223578 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=223578\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C-8%2C8%2C-5%2C15%2Cgrid%281%29%2Ccircle%281%2C7%2C.25%29%2C%0D%0Acircle%281%2C7%2C.25%29%2C%0D%0Acircle%28-2%2C1%2C.25%29%2C%0D%0Acircle%283%2C13%2C.25%29%2C%0D%0Acircle%28-4%2C-3%2C.25%29%2C%0D%0Acircle%280%2C5%2C.25%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Looks like a linear model would be a good choice.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Xave=-0.4 ALIGN=MIDDLE  ALT=\"Xave=-0.4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Yave=4.6 ALIGN=MIDDLE  ALT=\"Yave=4.6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Sum of squares in x:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SSXX=29.2 ALIGN=MIDDLE  ALT=\"SSXX=29.2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Sum of squares in y:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SSYY=147.2 ALIGN=MIDDLE  ALT=\"SSYY=147.2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Sum of squares in xy:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SSXY=65.2 ALIGN=MIDDLE  ALT=\"SSXY=65.2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "b=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SSXY%2FSSXX=2.233 ALIGN=MIDDLE  ALT=\"SSXY%2FSSXX=2.233\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "b'=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=SSXY%2FSSYY=0.443 ALIGN=MIDDLE  ALT=\"SSXY%2FSSYY=0.443\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "r^2=b*b'=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.989 ALIGN=MIDDLE  ALT=\"0.989\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=Yave-b%28Xave%29=5.493 ALIGN=MIDDLE  ALT=\"a=Yave-b%28Xave%29=5.493\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+highlight_green%28y=2.233x%2B5.493%29 ALIGN=MIDDLE  ALT=\"+highlight_green%28y=2.233x%2B5.493%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=drawing%28300%2C300%2C-8%2C8%2C-5%2C15%2Cgrid%281%29%2Ccircle%281%2C7%2C.25%29%2C%0D%0Acircle%281%2C7%2C.25%29%2C%0D%0Acircle%28-2%2C1%2C.25%29%2C%0D%0Acircle%283%2C13%2C.25%29%2C%0D%0Acircle%28-4%2C-3%2C.25%29%2C%0D%0Acircle%280%2C5%2C.25%29%2Cgraph%28300%2C300%2C-8%2C8%2C-5%2C15%2C2.233x%2B5.493%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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