document.write( "Question 1206978: An experiment examined the relationship between the number of miles a car traveled, y, per gallon of gasoline and the speed of the car, x, in miles per hour. The
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\n" ); document.write( "\n" ); document.write( "A quadratic function can be used to model the data in the table. Which value best
\n" ); document.write( "estimates the miles per gallon when the speed is 65 miles per hour?
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\n" ); document.write( "D. 24.9 \n" ); document.write( "
Algebra.Com's Answer #844744 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "On your TI-84\r\n" );
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document.write( "First you must set the Window for the graph\r\n" );
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document.write( "Press WINDOW\r\n" );
document.write( "Make Xmin read Xmin=-20\r\n" );
document.write( "Make Xmax read Xmax=120\r\n" );
document.write( "Make Ymin read Ymin=-10\r\n" );
document.write( "Make Ymax read Ymax=40\r\n" );
document.write( "Leave the other values as they are.\r\n" );
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document.write( "Press STAT\r\n" );
document.write( "Press 1  (for EDIT)\r\n" );
document.write( "Enter the x-values in L1 and the y-values in L2\r\n" );
document.write( "Press STAT again\r\n" );
document.write( "Use right arrow key to highlight CALC.\r\n" );
document.write( "Press 5 (for QuadReg)\r\n" );
document.write( "Use down arrow to scroll to Store RegEQ:\r\n" );
document.write( "Press VARS\r\n" );
document.write( "Use right arrow key to highlight Y-VARS\r\n" );
document.write( "Press 1  (for Function...\r\n" );
document.write( "Press 1  (for Y1)\r\n" );
document.write( "Press GRAPH\r\n" );
document.write( "Press 2nd trace\r\n" );
document.write( "Press 1  (for value)\r\n" );
document.write( "Make X= under graph read X=65\r\n" );
document.write( "Press ENTER\r\n" );
document.write( "See the value of Y\r\n" );
document.write( "Round to the nearest tenth.\r\n" );
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document.write( "Edwin

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