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Average Rates of Change

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Andrew Lanning

on 27 April 2010

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Transcript of Average Rates of Change

Average Rates of Change When we have a variable rate of change,
sometimes it is useful to estimate the
average rate of change. Calculate the average rate of
change between the 2 points. metres Hours Tide Height What does it look like? A straight line from point to point! Gradient = 1 You try... (a chord) Challenge Question for Tonight You're running in a two lap race. To break the course record, you need to run at an average of 15km/h. You just finished the first lap, and to conserve energy, you only ran at 7.5km/h. How fast do you need to run the second lap, in order to break the record?
Ex 12C, P580
Q1a, 2, 10, 11, 12, 13
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