SOLUTION: How do you make a fraction undefined? and is it any diffrent if there are two variables?  ex, 3xy/2x-4
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Question 445733:  How do you make a fraction undefined? and is it any diffrent if there are two variables?  ex, 3xy/2x-4
 
Answer by scott8148(6628)   (Show Source): You can put this solution on YOUR website!
 a fraction is undefined when the denominator (bottom) is equal to zero ___ can't divide by zero, right?
the number of variables is not an issue 
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