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Key Concepts Quiz 6.2
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1

Which of the following is best modelled with a partial variation?

A)Josie bought ten blank CD-Rs for a total of $8.50.
B)Frederick rented a truck for $300 per day plus 50 cents per kilometre.
C)Luigi sailed his boat 32 nautical miles in 4 hours.
D)Silvonna delivered 120 flyers in 2 hours.

Use the document below to help answer questions 2 and 3:




2

A television repairman charged a flat rate of $50 per house call, plus $25 per hour she spent working on the set. Model this with an equation.
A)C = 50t
B)C = 25 + 50t
C)C = 50 + 25t
D)C = 25t
3

Find the equation that describes the partial variation shown in the table.

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A)y = 3x + 1
B)y = 3x
C)y = x + 3
D)y = x + 1
4

Which of the following appears to be the graph of a partial variation?

A)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/007092242x/118755/MATC9_Ch06_2_KeyConcepts_Quiz_Q4a.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (6.0K)</a>

B)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/007092242x/118755/MATC9_Ch06_2_KeyConcepts_Quiz_Q4b.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (6.0K)</a>

C)<a onClick="window.open('/olcweb/cgi/pluginpop.cgi?it=jpg::::/sites/dl/free/007092242x/118755/MATC9_Ch06_2_KeyConcepts_Quiz_Q4c.jpg','popWin', 'width=NaN,height=NaN,resizable,scrollbars');" href="#"><img valign="absmiddle" height="16" width="16" border="0" src="/olcweb/styles/shared/linkicons/image.gif"> (6.0K)</a>

D)All of these appear to be a partial variation.





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