SOLUTION: List all numbers for which the rational expression is undefined. d - 5 _____ 3 - d

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Question 283852: List all numbers for which the rational expression is undefined.
d - 5
_____
3 - d
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
%28d-5%29%2F%283-d%29 is undefined when the denominator 3-d is equal to zero (since division by zero is NOT allowed). So simply find the value(s) of 'd' that make 3-d=0 true (ie solve that equation for 'd') to find the values that make the rational expression undefined.