If one root of the equation $$ {Ax^2+Bx+C=0}$$ is two and a half times the others, then which of the following is True?

If one root of the equation $$ {Ax^2+Bx+C=0}$$ is two and a half times

1.	If one root of the equation $$ {Ax^2+Bx+C=0}$$ is two and a half times the others, then which of the following is True?
A.	$$ {7B^2=3CA}$$
B.	$$ {7B^2=4CA}$$
C.	$$ {7B^2=36CA}$$
D.	$$ {10B^2=49CA}$$
Answer» E.