© 2010 preston powerpoints constant rate of change section 1.7
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Constant Rate of ChangeSection 1.7
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Objectives• Identify constant rates of change using tables and graphs
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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.
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Time (minutes)
30 60 90 120
Distances (miles)
290 580 870 1160
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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:
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Practice
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Essential Question• How can you find the unit rate on a graph that goes through
the origin?
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