Inverse Variation Review

Boyle’s Law states that, for a fixed amount of gas, the volume of the gas at a constant   temperature is inversely proportional to the pressure. If a certain gas occupies 9.84 liters   at a pressure of 50 centimeters of mercury (cm Hg), what is the approximate pressure   when the volume is increased to 12 liters?

• 39.8 cm Hg
• 41.0 cm Hg 
• 43.2 cm Hg
• 45.1 cm Hg

The time required to complete a job varies inversely as the number of people working. It   took 4 hours for 7 electricians to wire a building. How long would it have taken 3   electricians to have done the job?

• 1 hr 43 min
• 5 hr 15 min
• 7 hr 30 min
• 9 hr 20 min

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.SSE.A.1

CCSS.HSN.Q.A.1

The cost per person to rent a mountain cabin is inversely proportional (varies inversely) to the number of people who share the rent. If the cost is $36 per person when 5 people share, what is the cost per person when 8 people share?

• $22.50
• $57.60
• $1.11
• $12.50

Classify the equation:
15x=3y

• Direct Variation
• Inverse Variation
• Joint Variation
• Linear Equation

Which variation is represented in the graph?

• Direct
• Inverse
• Neither

The following points represent an inverse variation:  (2, 12) , (1, 24) , (3, 8).  Which of the following could be another point that fits?

• (3, 9)
• (5, 5)
• (-12, 2)
• (4, 6)

Which is the graph of the rational equation:

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• 
• 

Tags

CCSS.HSF-IF.C.7D

Which is the graph of the rational equation:

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• 
• 
• 

Tags

CCSS.HSF-IF.C.7D

Which is the graph of the rational equation:

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7D

Which is the graph of the rational equation:

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• 
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•