Find an equation of variation in which y varies inversely as x and the following condition exists: 1) y=63 when x=1/7

is the answer:

A) y = 9/x

B) y= 2/x

C) y= 16/x

D) y = 7/x

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- March 19th 2006, 09:54 PMkharris82Alebra Equation
Find an equation of variation in which y varies inversely as x and the following condition exists: 1) y=63 when x=1/7

is the answer:

A) y = 9/x

B) y= 2/x

C) y= 16/x

D) y = 7/x - March 20th 2006, 12:51 AMCaptainBlackQuote:

Originally Posted by**kharris82**

such that:

.

Now when , , so:

,

hence , and so:

,

which is answer A)

RonL