Instructions

In the following questions, a question is followed by data in the form of two statements labelled as I and II. You must decide whether the data given in the statements are sufficient to answer the questions.

Question 12

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


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