SOLUTION: I need to know how to find out all numbers for which rational expression is not defined. Any help would be greatly appriciated. Thank you. -3 ____

SOLUTION: I need to know how to find out all numbers for which rational expression is not defined. Any help would be greatly appriciated. Thank you. -3 _____ 2x

Question 334568: I need to know how to find out all numbers for which rational expression is not defined. Any help would be greatly appriciated. Thank you.
-3
_____
2x
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
Since you CANNOT divide by zero, this means that the denominator can't be zero. So . Solve for x to get

So this means that 'x' can't be equal to zero.

So the rational expression is not defined when x is zero.
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