Question

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What is the constant of variation for the quadratic variation?


x 2 3 4 5 6
y 32 72 128 200 288





A.


8


B.


16


C.


24


D.


40

What is the constant of variation for the quadratic variation?



9y = 4x2



A.-2




B.4/9




C.2/3




D.9/4

If 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

Answer 1

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