SOLUTION: x varies inversely as y^2, and x = 4 when y = 10. Find x when y = 2. a. x = 5 b. x = 80 c. x = 100

SOLUTION: x varies inversely as y^2, and x = 4 when y = 10. Find x when y = 2. a. x = 5 b. x = 80 c. x = 100

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Question 1065683: x varies inversely as y^2, and x = 4 when y = 10. Find x when y = 2.

a. x = 5
b. x = 80
c. x = 100
Answer by Edwin McCravy(20056) (Show Source): You can put this solution on YOUR website!
x varies inversely as y^2,

and x = 4 when y = 10.

 





Substitute 400 for k in





That's the equation for x in terms of y.

Find x when y = 2.

Substitute 2 for y







Edwin

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