Does the equation $$ax + by + c = 0$$ represent a striaght line ?
I) $$a^{2} \geq 0$$
II) $$b^{2} \geq 0$$

A

if the statement I alone is sufficient to answer the question.

B

if the statement II alone is sufficient to answer the question.

C

if the statements I and II together are sufficient to answer the question but neither statement alone is sufficient.

D

if both the statements I and II together are not sufficient to answer the question and additional data is required.