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Y is inversely proportional to x2. When y =10, x = 2, what is y
when x = 10?

User ASten
by
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1 Answer

7 votes

Answer:


\frac25

Explanation:


y \propto (1)/(x^2) \implies y=(k)/(x^2) \ \ \ \textsf{where k is some constant}

when y = 10 and x =2:


\implies 10=(k)/(2^2)


\implies k=40

Therefore,


\implies y=(40)/(x^2)

when x=10:


\implies y=(40)/(10^2)=(40)/(100)=\frac25

User Tola
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6.9k points