document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=806795>Question 806795</A>: <I><SPAN STYLE=\"word-break: break-all;\"> So I have this question with the following table about the living space recommended for pigs of certain weights:<BR>\n" );
document.write( "Weight:40,60,80,100,120,230<BR>\n" );
document.write( "Area:2.5,3,3.5,4,5,6,8<BR>\n" );
document.write( "How do I write an equation that models the recommended living space as a function of a pig's weight using the information above </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #486742 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=486742\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your data is not linear, but it is close to being linear.<BR>\n" );
document.write( "You need to do a linear regression on your data.<BR>\n" );
document.write( "Also, you have one extra area sample without a matching weight sample.<BR>\n" );
document.write( "So, for this data:<BR>\n" );
document.write( "Weight: 40, 60, 80, 100, 120, 230<BR>\n" );
document.write( "Area: 2.5, 3, 3.5, 4, 5, 6\r<BR>\n" );
document.write( "\n" );
document.write( "Answer:<BR>\n" );
document.write( "Linear regression slope: 0.0185<BR>\n" );
document.write( "Linear regression y-intercept: 2.0615<BR>\n" );
document.write( "y = 0.0185x + 2.0615\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+300%2C+-10%2C+250%2C+-2%2C+10%2C+0.0185x+%2B+2.0615%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+300%2C+-10%2C+250%2C+-2%2C+10%2C+0.0185x+%2B+2.0615%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve and graph linear equations:<BR>\n" );
document.write( "https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve quadratic equations, quadratic formula:<BR>\n" );
document.write( "https://sooeet.com/math/quadratic-formula-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Convert fractions, decimals, and percents:<BR>\n" );
document.write( "https://sooeet.com/math/fraction-decimal-percent.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Calculate and graph the linear regression of any data set:<BR>\n" );
document.write( "https://sooeet.com/math/linear-regression.php </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );