Need Algebra help plz

Algebra
Tutor: None Selected Time limit: 1 Day

1. If y varies inversely with x and y = 8 when x = 4, then what is y when x = 2?

       4

       6

       16

       242. f(x) varies inversely with x and f(x) = –10 when x = 5. What is the inverse variation equation?

F(x)=-2/x

F(x)=-50/x

F(x)=-5/x

F(x)=-0.5/x         

3. xy = –25.  What is the constant of variation for this relationship?

¼

-0.4

-25

-2.55. V varies inversely with T and V = 12 when T = 6.  What equation shows this relationship?

 

Apr 16th, 2015

1. 16

2. F(x)=-50/x

3. -25

5. V = 72/T

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Apr 16th, 2015

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