SOLUTION: What are the inequalites that define the region in the first quadrant. How about 2nd, 3rd and 4th quadrants?

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Question 206132: What are the inequalites that define the region in the first quadrant. How about 2nd, 3rd and 4th quadrants?

Answer by Targetweek(62) About Me  (Show Source):
You can put this solution on YOUR website!
Since the first quadrant is (+,+) (x,y)
x>0, y>0
2nd (-,+)
x<0, y>0
3rd (-,-)
x<0, y<0
4th(+,-)
x>0, y<0