SOLUTION: 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

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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" ...
Answer by Edwin McCravy(20055)   (Show Source): You can put this solution on YOUR website!
Divide the TOTAL distance traveled by the TOTAL time.  You may need to find
the straight line distance between two points.  If so, use this formula:

d = √(x2-x1)²+(y2-y1)²

to find the straight line distance between the two points (x1,y1) and (x2,y2).
   
Edwin
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