There are two straight lines in the x-y plane with equations:

ax + by = c

dx + ey = f

Do the two straight lines intersect?

A. a, b, c, d, e and f are distinct real numbers.

B. c and f are non-zero.

A

the question can be answered by one of. the statements alone, but cannot be answered by using the other statement alone.

B

the question can be answered by using either statement alone.

C

the question can be answered by using both the statements together, but cannot be answered by using either statement alone.

D

the question cannot be answered even by using both statements together.