document.write( "Question 629598: Use a graphing calculator to find the equation of the curve of best fit for the data. \r
\n" ); document.write( "\n" ); document.write( "time (x) 0.2 0.4 0.6 0.8 1.0
\n" ); document.write( "distance (y) 0.5 2.2 4.9 8.7 13.6
\n" ); document.write( " Choose one answer. \r
\n" ); document.write( "\n" ); document.write( "a. y = 13.39x^2 + 0.28x - 0.08
\n" ); document.write( "b. y = 14.6x^2 - 1.49x + 0.51
\n" ); document.write( "c. y = 13.21x^2 - 1.47
\n" ); document.write( "d. y = 13x^2 - 0.3x + 0.1
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #396373 by AnlytcPhil(1806) $\"\"$ $\"About$

You can put this solution on YOUR website!
Use a graphing calculator to find the equation of the curve of best fit for the data. \r
\n" ); document.write( "\n" ); document.write( "time (x) 0.2 0.4 0.6 0.8 1.0
\n" ); document.write( "distance (y) 0.5 2.2 4.9 8.7 13.6
\n" ); document.write( "

\r\n" );
document.write( "On your TI-84,\r\n" );
document.write( "\r\n" );
document.write( "press STAT\r\n" );
document.write( "press 1\r\n" );
document.write( "\r\n" );
document.write( "enter the x values in L1\r\n" );
document.write( "enter the y values in L2\r\n" );
document.write( "\r\n" );
document.write( "press STAT\r\n" );
document.write( "press right arrow to highlight CALC\r\n" );
document.write( "press 5\r\n" );
document.write( "\r\n" );
document.write( "  see\r\n" );
document.write( "          QuadReg\r\n" );
document.write( "      Xlist:L1\r\n" );
document.write( "      Ylist:L2\r\n" );
document.write( "      FreqList:\r\n" );
document.write( "      Store RegEQ:\r\n" );
document.write( "      Calculate\r\n" );
document.write( "\r\n" );
document.write( "Scroll down to Calculate\r\n" );
document.write( "\r\n" );
document.write( "press ENTER\r\n" );
document.write( "\r\n" );
document.write( "  see\r\n" );
document.write( "          QuadReg\r\n" );
document.write( "      y=ax²+bx+c\r\n" );
document.write( "      a=13.39285714\r\n" );
document.write( "      b=.2785714286\r\n" );
document.write( "      c=-.08\r\n" );
document.write( "      R²=.9999896992\r\n" );
document.write( "\r\n" );
document.write( "Choice a. y = 13.39x^2 + 0.28x - 0.08\r\n" );
document.write( "\r\n" );
document.write( "Edwin

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