Posted by **Maria1** on Saturday, May 5, 2012 at 8:23am.

Find the variation constant and an equation of variation where Y varies directly as X and Y=60 when X=10

k=variation constant

y=equation of variation

- Algebra genius? -
**bobpursley**, Saturday, May 5, 2012 at 8:55am
y=mx+b or y=kx+b (m is the standard symbol, which came to us 300 years ago from the French Academy, headed by Rene Descartes. It has served us well as the symbol for slope).

y=mx+b

60=m*10+b

No since you state y varies directly as x, this implies b=0

m=6

- Algebra genius? -
**Bailey**, Saturday, May 5, 2012 at 9:37am
Yikes, so K=0 and y=6? Help please..

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