document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=181767>Question 181767</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/1602773033/algebrahomeworkh>saxon algebra 2</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Make a scatter plot of the data set. Sketch a line of best fit, and give the equation of the line.\r<BR>\n" );
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document.write( "x  2  4  8  14  16  22  24  26<BR>\n" );
document.write( "y 18 24 16  16  18  14  8   4\r<BR>\n" );
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document.write( "I see from graphing the points that the line moves in a neg. direction.  That's as<BR>\n" );
document.write( "far as I can figure.  Please help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #136360 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=136360\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Times New Roman\" size=\"+2\">\r<BR>\n" );
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document.write( "Once you have sketched your line, pick two points on your line and determine the coordinates of the two points, <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large (x_1,y_1)\"> and <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\Large (x_2,y_2)\">.  If your sketched line passes through one or two of the scatter plot points, that makes it easy.  Otherwise, you will just have to eye-ball it.\r<BR>\n" );
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document.write( "Next, use the two-point form of the equation of a straight line to develop your equation:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \text{          }\math y - y_1 = \left(\frac {y_2 - y_1}{x_2 - x_1}\right)(x - x_1)\"> \r<BR>\n" );
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document.write( "Do all of the indicated arithmetic and then you can either solve for <i>y</i> to give the slope-intercept form:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \text{          }\math y = mx + b\">\r<BR>\n" );
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document.write( "or arrange it into standard form:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \text{          }\math Ax + By = C\">\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
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