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January 29, 2015

January 29, 2015

Posted by **Lori** on Tuesday, August 17, 2010 at 7:34pm.

The variation constant is K = ?

The equation of variation is Y = ?

I think that K = 9 but not sure

I don't have a clue about the rest.

- algebra -
**Reiny**, Tuesday, August 17, 2010 at 7:58pm"Y varies directly as X" ----> y = kx

but we are given x=8, y = 72

72 = k(8)

k = 9, so

y = 9x

all done!

- algebra -
**Lori**, Tuesday, August 17, 2010 at 8:01pmThank you, I thought I was on the right track but wasn't sure.

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