Find the constant of variation for the quadratic variations.6y = 4x2
Option A: 4/9
Option B: 2/3
Option C: -2
Option D: 3/2



If f(x) varies directly with x2, and f(x) = 72 when x = 6, find the value of f(3).
108
18
36
54


Write a quadratic variation equation if g(x) varies directly with x2, and g(x) = 98 when x = 7.
g(x) = 7x2
g(x) = ½x2
g(x) = 14x2
g(x) = 2x2