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Mathematics 20 Online
OpenStudy (dezandalf42714):

PLEASE? What would be an inverse relationship for it? Write a scenario that involves an inverse relationship. What are your variables? What is the constant of variation? Write the inverse relationship to the scenario.

OpenStudy (dannyo19):

Do you know the formula for inverse variation?

OpenStudy (dezandalf42714):

I am new to this so no.

OpenStudy (dezandalf42714):

ok thanks

OpenStudy (dannyo19):

So the second half of the video, you can get some ideas

OpenStudy (dezandalf42714):

What would be an inverse relationship for it?

OpenStudy (dannyo19):

xy=k So you need to think of an example where you have two variables that when multiplied yield constant.

OpenStudy (dannyo19):

an other way to think about y=k/x

OpenStudy (dannyo19):

k would be your constant of variation.

OpenStudy (dezandalf42714):

ok so would you like to see my problem so far?

OpenStudy (dannyo19):

sure

OpenStudy (dezandalf42714):

ok A scenario that would involve an inverse relationship would be If I drive to work every day the same distance and it takes me 30 minutes and I drive 20mph, the speed limit and now the speed limit is 40 how much time will it take me to get to work? My variables will be k = xy so k is the constant (distance) and x and y will be x = 30 and y = 20. I did 30 x 20 = 600 Then 600 divided by 40 to get 15 So it will now take her 15 minutes (half her original time) to get to work.

OpenStudy (dannyo19):

So what you need rather are two variables that will multiply together always to yield on number.

OpenStudy (dannyo19):

Clue: Try using a speed as a constant. What would you use for your two variables?

OpenStudy (dezandalf42714):

ooh so you would do time and distance?

OpenStudy (dezandalf42714):

oh ok

OpenStudy (dannyo19):

Or you can think of something like length and width of a garden bed given it has to be certain area...

OpenStudy (dezandalf42714):

ok

OpenStudy (dannyo19):

The garden situation would work only if the area of the bed was not dependent on a depth of land. (So the land is perfectly flat)

OpenStudy (dezandalf42714):

ok

OpenStudy (dezandalf42714):

thank you v

OpenStudy (dannyo19):

Better example would be the dimensions of a rectangle like a computer screen if the surface area must be _____ some fixed amount of area.

OpenStudy (dezandalf42714):

ok thank you

OpenStudy (mathmale):

"What would be an inverse relationship for it? " for what? have you included all parts of the question, including the instructions?

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