The equation ax + by + c = 0 represents a straight line – McqOptions

MCQOPTIONS

1.	The equation ax + by + c = 0 represents a straight line
A.	for all real numbers a, b and c
B.	only when a ≠ 0
C.	only when b ≠ 0
D.	only when at least one of a and b is non-zero
Answer» E.

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