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Mathematics 15 Online
OpenStudy (anonymous):

this is think through math..

OpenStudy (anonymous):

what is the question

OpenStudy (anonymous):

it's the attachment. I can't decide which graph

OpenStudy (cathyangs):

There's no attachment that I can see.

OpenStudy (anonymous):

yeah me too

OpenStudy (anonymous):

is it on there now?

OpenStudy (anonymous):

oh nevermind I am in 7th grade

OpenStudy (anonymous):

sorry

OpenStudy (cathyangs):

So do you know what 'proportional' means in mathematics? From Wikipedia: "To express the statement "y is (directly) proportional to x" mathematically, we write an equation y = cx, for some real constant, c. "

OpenStudy (anonymous):

so would it be y=0.45x ?

OpenStudy (cathyangs):

That is correct! Good job.

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