SOLUTION: In which quadrants of the xy-plane is the product of the x-coordinate and y-coordinate positive? A. I and II B. II and III C. III and IV D. IV and I E. None of these.

SOLUTION: In which quadrants of the xy-plane is the product of the x-coordinate and y-coordinate positive? A. I and II B. II and III C. III and IV D. IV and I E. None of these.

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Question 285785: In which quadrants of the xy-plane is the product of the x-coordinate and y-coordinate positive?
A. I and II B. II and III C. III and IV D. IV and I E. None of these.
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
It's 1 and 3.
In Quad 1 they're both positive.
In Quad 3 they're both negative.
None of those.
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