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anonymous
 one year ago
will give medal for answer and explanation pls help
What is the constant of variation for the quadratic variation?
9y = 4x2
A.2
B.4/9
C.2/3
D.9/4
anonymous
 one year ago
will give medal for answer and explanation pls help What is the constant of variation for the quadratic variation? 9y = 4x2 A.2 B.4/9 C.2/3 D.9/4

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Okay, so since y is being multiplied by 9 and you want y by itself, divide both sides by 9.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Remember that y=kx^2. And you want to know k.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0dw:1436053521059:dw

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0You're correct, though.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Do you know what k is? :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0thanks for your help can you help me with one more

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0If f(x) varies directly with x2, and f(x) = 75 when x = 5, find the value of f(4). A. 100 B. 50 C. 48 D. 25

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Would be better if you'll open a new question. :)
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