Inversely Proportional

Which graph represents an inverse proportion relationship?

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Given that y is inversely proportional to x, what is the general equation?

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Which statement best describes an inverse proportion relationship between y and x?

• y increases then x will decrease

• y increases then x will increase

• y increases then x will remain the same

• y decreases then x will decrease

In the great Amazon forest, the number of hunters, y and the number of animals, x. Is this relationship an inverse proportion relationship?

• No

• Yes

• I don't know

6 men can paint a building in 15 days. Find the number of days taken for 5 men to paint the same building.

• 10

• 14

• 18

• 22

It is given that p is inversely proportional to . When p is 20, q is 8. Find an equation connecting p and q.

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If 8 men can assemble 28 cars in one day, how many cars can 20 men assemble in one day?

• 60

• 70

• 80

• 90

Given the above relationship, find the value of x when y=6.

• x=6

• x=-6

• x=-6 or +6

• x=4

Given that y is inversely proportional to x and y =0.25 when x =4, find the value of y when x =5.

• 0.1

• 0.2

• 1

• 2

Ten identical pipes turned on simultaneously can fill a swimming pool in 9 hours. How long will it take 6 pipes to fill the same swimming pool?

• 12

• 13

• 14

• 15