document.write( "Question 935202: Q5 fit a second degree parabola to the following data:
\n" ); document.write( "
 \r\n" );
document.write( "x  1     2      3      4      5\r\n" );
document.write( "y 100   1200   1390   1625   1015

\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #568374 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "To get the closest fitting parabola, we use a TI-84 calculator:\r\n" );
document.write( "\r\n" );
document.write( "Press WINDOW \r\n" );
document.write( "\r\n" );
document.write( "Make it read Xmin=-1, Xmax=7,Ascl=1,Ymin=-50,Xmax=1700,Yscl=100,\r\n" );
document.write( "\r\n" );
document.write( "Press 2ND, Y=, ENTER, ENTER \r\n" );
document.write( "\r\n" );
document.write( "Press STAT, ENTER and enter x-values in L1 and y-values in L2\r\n" );
document.write( "\r\n" );
document.write( "Press STAT, ->, 5  \r\n" );
document.write( "\r\n" );
document.write( "Next to   \"Store RegEQ:\" Press VARS -> ENTER ENTER to get Y1 there\r\n" );
document.write( "\r\n" );
document.write( "Scroll to \"Calculate\"\r\n" );
document.write( "\r\n" );
document.write( "Press ENTER, GRAPH\r\n" );
document.write( "\r\n" );
document.write( "See this\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "To see the equation, Press Y=\r\n" );
document.write( "\r\n" );
document.write( "equation of best fitting parabola:\r\n" );
document.write( "\r\n" );
document.write( "\"y=-241.0714285714x%5E2%2B1671.9285714286x-1298\"\r\n" );
document.write( "\r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );