Write a quadratic variation equation if g(x) varies directly with x^2 and g(x) = 144 when x = 6.

A. G(x)=2x^2
B. G(x) = 6x^2
C. G(x)= 4x^2
D. G(x) = 1/4x ^2

Question

Write a quadratic variation equation if g(x) varies directly with x^2 and g(x) = 144 when x = 6.

  A. G(x)=2x^2
   B. G(x) = 6x^2 
 C. G(x)= 4x^2
   D. G(x) = 1/4x ^2

random231 · Answer

g(x) is proportional to x^2
so g(x)=k*x^2
can you find k?

dariusx · Answer

c

anonymous · Answer

I don't really know how to do any of it :(

dariusx · Answer

x = 6

x^2 = 6*6 = 36

a = 144/36 = 4

which means equation is 4x^2

therefore, the answer is c

random231 · Answer

|dw:1449510301384:dw| do you get till here.