The length of (L) of a simple pendulum is directly proportional to the square of the time period (T) which type of graph can best describe this?
A.hyperbolic
B.inverse
C.linear with negative slope
D.Linear with positive slope
E. Quadratic

Question

The length of (L) of a simple pendulum is directly proportional to the square of the time period (T) which type of graph can best describe this? 
A.hyperbolic
B.inverse
C.linear with negative slope 
D.Linear with positive slope 
E. Quadratic

anonymous · Answer

C it must be since it is proportional to the square 

the trick is that if l=kx^2 we have a constant K therefore a straight line