SOLUTION: Determine the value for which the rational expression is undefined. x ___ x-7

SOLUTION: Determine the value for which the rational expression is undefined. x ___ x-7

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Question 861073: Determine the value for which the rational expression is undefined.
x
___
x-7
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
x
___
x-7

That is better expressed,

The expression is undefined for x-7=0, which means for x=7.
Why? Division by zero is impossible.
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