Patterns And Relations Worksheet - Grade 7 Page 27
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461.6
Graphing Relations
Focus
Create a table of values, then graph.
Jellybeans in Bags
We can use a graph to show the relationship
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between two quantities.
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What does this graph show?
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How many jellybeans are in each bag?
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Write a relation for the total
number of jellybeans in n bags.
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Number of Bags
You will need grid paper.
Number of
Cost
CDs
($)
The cost of n CDs, in dollars, is 12n.
n
12 n
➤ What is the cost of one CD?
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➤ Copy and complete this table.
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➤ Graph the data.
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Use the graph to answer these questions:
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➤ What is the cost of 5 CDs?
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➤ How many CDs could you buy with $72?
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&
Reflect
Share
Describe the patterns in the table. How are these patterns shown in the graph?
If you had $50, how many CDs could you buy?
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UNIT 1: Patterns and Relations
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