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

Algebra ->  Polynomials-and-rational-expressions -> 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       Log On


   



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) About Me  (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 2x%3C%3E0. Solve for x to get x%3C%3E0


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


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