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Mathematics 7 Online
OpenStudy (anonymous):

last one!! find the variation constant and an equation of variation when y varies directly as x and y=6 when x=1

OpenStudy (jamesj):

This means y = Ax for some A. What is A, given the data you have?

OpenStudy (anonymous):

6

OpenStudy (jamesj):

Hence the equation is ...

OpenStudy (anonymous):

6=A(1)?

OpenStudy (jamesj):

That's how you found A. Now what is the 'equation of variation' the question asks for?

OpenStudy (jamesj):

It's y = 6x

OpenStudy (anonymous):

ahh ok, and 6 is the constant then?

OpenStudy (jamesj):

Yes

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