© 2010 Preston PowerPoints Constant Rate of Change Section 1.7.

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© 2010 Preston PowerPoints Constant Rate of Change Section 1.7

© 2010 Preston PowerPoints Objectives Identify constant rates of change using tables and graphs

© 2010 Preston PowerPoints Use a Table You can use a table to find a constant rate of change Example: The table shows the number of miles a plane traveled while in flight. Use the information to find the approximate constant rate of change in miles per minute. ____________________________________________________________ ____________________________________________________________ ____________________________________________________________ Time (minutes) Distances (miles)

© 2010 Preston PowerPoints Use a Graph You can also use a graph to find a constant rate of change and to analyze points on the graph. Example: Do these problems to find out:

© 2010 Preston PowerPoints Practice

© 2010 Preston PowerPoints Essential Question How can you find the unit rate on a graph that goes through the origin? __________________________________________________ __________________________________________________ __________________________________________________ __________________________________________________