document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=37256>Question 37256</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The number of miles,M,that a car can travel on a gallon of gas depends on the average speed,v,of the car in miles per hour. A travel researcher has compiled the following data for his car.\r<BR>\n" );
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document.write( "     v   44    50    53    56    60    70\r<BR>\n" );
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document.write( "     M  35.9  37.5  38.0  38.3  38.4  37.1\r<BR>\n" );
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document.write( "a. Find a quadratic model for M in terms of v.\r<BR>\n" );
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document.write( "b. Use your model to predit M when v = 65\r<BR>\n" );
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document.write( "Thank you very much for the help.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #22940 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=22940\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The number of miles,M,that a car can travel on a gallon of gas depends on the average speed,v,of the car in miles per hour. A travel researcher has compiled the following data for his car.\r<BR>\n" );
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document.write( "     v   44    50    53    56    60    70\r<BR>\n" );
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document.write( "     M  35.9  37.5  38.0  38.3  38.4  37.1\r<BR>\n" );
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document.write( "a. Find a quadratic model for M in terms of v.<BR>\n" );
document.write( "M(v)=-0.011x^2+1.30x-0.019<BR>\n" );
document.write( "This from using the TI-83 \"Quadratic Regression\".\r<BR>\n" );
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document.write( "b. Use your model to predit M when v = 65<BR>\n" );
document.write( "Again using TI-83 get M=38.025\r<BR>\n" );
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