SOLUTION: The variables x and y vary inversely,and y=10 when x=2/ Write an inverse variation equation that relates x and y. i got y=2/10x is that correct? help me asap please:)

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: The variables x and y vary inversely,and y=10 when x=2/ Write an inverse variation equation that relates x and y. i got y=2/10x is that correct? help me asap please:)      Log On


   

Question 482826: The variables x and y vary inversely,and y=10 when x=2/ Write an inverse variation equation that relates x and y. i got y=2/10x is that correct? help me asap please:)
Answer by lwsshak3(11628) About Me  (Show Source):
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The variables x and y vary inversely,and y=10 when x=2/ Write an inverse variation equation that relates x and y. i got y=2/10x is that correct?
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The first equation would be y=2x
The procedure for finding the inverse is to interchange x and y and solve for y:
x=2y
y=x/2 (this is the inverse of y=2x)
see the graph below as a visual check on the answer:
..
+graph%28+300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2C+2x%2C+x%2F2%29+