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

Equation for inverse proportion

• y=kx

• y=k+x

• y=k/x

• y=k-x

• 5

• 0.5

• 1/2

• 2

• 50 

• 5

• 10

• 2.5

Is this an inverse proportion: y-7x= 80

• yes

• no

Definition of inverse proportion (Select all that apply):

• x and y are BOTH increasing/decreasing

• y=k/x

• x and y are doing the OPPOSITE

• k= yx

Is this an inverse proportion?

• no

• yes

• Yes 

• No