Inverse Variation

If y varies inversely to g, what is the equation of variation?

The length of time (t) a car travels varies inversely to its speed (s). What is the equation of variation?

Which of the following equation show an inverse variation? 

Which of the following equation illustrate an inverse variation? 

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If x varies inversely with y, what is the equation of variation?

If y varies inversely with x, and x = 10 and y = 4, then what is the value of the constant of variation?

• 2

• 4

• 40

• 50

Given that y varies inversely with x. If x=-2 and y=14, what is k?

• -28

• -7

• 7

• 28

The number of pipes is inversely proportional to the time taken. 9 pipes are required to fill a tank in 4 hours. Which equation of variation describes the situation?

The time taken to build the house is inversely proportional to the number of workers required. If 24 workers can build a house in 40 days, what is the constant of variation?

• 0.6

• 1.67

• 96

• 960

Time (t) varies inversely with the number of people (n). If 13 men can finish a task in 6 hours, which equation of variation describes the situation?