document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=937105>Question 937105</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 	<BR>\n" );
document.write( "Jillian recorded how much fertilizer she gave her roses and the number of blooms they produced. What is a good line of best fit for the data?\r<BR>\n" );
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document.write( "A. y - 8 = 1(x-4)<BR>\n" );
document.write( "B. y - 8 = -1(x-4)<BR>\n" );
document.write( "C. y - 8 = 4/3(x-4)<BR>\n" );
document.write( "D. y - 8 = -4/3(x-4)\r<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 #729902 by </B><A HREF=/tutors/aboutme.mpl?userid=djreal+215><B>djreal 215(1)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=djreal+215><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=729902\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Those are all in point slope form \r<BR>\n" );
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document.write( "y - y1 = m(x - x1)\r<BR>\n" );
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document.write( "All four of them go though the point (4,8)\r<BR>\n" );
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document.write( "We can immediately rule out B and D because they have <BR>\n" );
document.write( "a negative slope. Lines with a negative slope go downhill<BR>\n" );
document.write( "to the right like this \.  Your points go uphill<BR>\n" );
document.write( "to the right, like this /. \r<BR>\n" );
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document.write( "So the correct choice is either A or C.\r<BR>\n" );
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document.write( "Hold a ruler or straight edge (or imagine holding one) <BR>\n" );
document.write( "so that it goes through the point (4,8) and is as close <BR>\n" );
document.write( "to as many of the points as you can get it. Pick the two <BR>\n" );
document.write( "points that are the closest to the ruler or straight edge.<BR>\n" );
document.write( "I picked (6,10) and (9,14).   <BR>\n" );
document.write( "Use the slope formula:<BR>\n" );
document.write( "They have a slope of %2814-10%29%2F%289-6%29+=+4%2F3\r<BR>\n" );
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document.write( "What do you know! That's exactly the slope of one of the<BR>\n" );
document.write( "chices, C. \r<BR>\n" );
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document.write( "I didn't expect it to be exactly one of the slopes. It<BR>\n" );
document.write( "just happened to be exact. I only expected it to be close.  \r<BR>\n" );
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document.write( "Answer: C. </SPAN>\n" );
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