Questions on Algebra: Expressions involving variables, substitution answered by real tutors!

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Question 170693: If y varies inversely as x^2, and y = 2 when x = 4, what is the constant of the variation?
Thanks.: If y varies inversely as x^2, and y = 2 when x = 4, what is the constant of the variation?
Thanks.
Answer by Mathtut(1309) About Me  (Show Source):
You can put this solution on YOUR website!
yx^2=k
:
2(4)^2=32constant of variation