document.write( "Question 801796: im doing IGCSE math and im now revising the co-ordinate geometry chapter, but im not sure how to solve for average speed . for example i have a graph showing the distance travelled by a train over a two hour journey and it asks to find the average speed for \"A\" to \"B\" ... \n" ); document.write( "
Algebra.Com's Answer #483645 by Edwin McCravy(20056)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "Divide the TOTAL distance traveled by the TOTAL time.  You may need to find\r\n" );
document.write( "the straight line distance between two points.  If so, use this formula:\r\n" );
document.write( "\r\n" );
document.write( "d = √(x2-x1)²+(y2-y1)²\r\n" );
document.write( "\r\n" );
document.write( "to find the straight line distance between the two points (x1,y1) and (x2,y2).\r\n" );
document.write( "   \r\n" );
document.write( "Edwin
\n" ); document.write( "
\n" );