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1.4 Relationships in Patterns
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Lesson instructions
Complete each chart.
You can list them like this:
2 - ?? (replace ?? with your answer)
4 - ??
6 - ??
Complete the chart.
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Complete the chart.
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Complete the chart.
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Complete the chart.
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Write a relation for the pattern rule for this pattern. Let n represent any term number.
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Use the relation above to find the 12th term.
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Write a relation for the perimeter of a regular pentagon with side length n centimetres.
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What is the perimeter of a regular pentagon with side length 9cm?
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The next few questions will be based on this.
a) Write a relation for the total cost of the party, in dollars, for n people.
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b) How much will the party cost if: 20 people attend? How about 50 people?
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c) How does the relation in part A change in each case? 1) The cost of food doubles. 2) The cost of the food increases by $2 a person.
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d) For each scenario in part C, find the cost when 40 people attend. 1) _____ 2) ______
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