SOLUTION: Find all numbers for which the rational expression is undefined. t^3-7t/t^2-25

SOLUTION: Find all numbers for which the rational expression is undefined. t^3-7t/t^2-25

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Question 515507: Find all numbers for which the rational expression is undefined. t^3-7t/t^2-25
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Find all numbers for which the rational expression is undefined. t^3-7t/t^2-25
**
(t^3-7t)/(t^2-25)
set denominator=0
t^2-25=0
t^2=25
t=�√25=�5
ans:
expresssion is undefined at x=5 and x=-5
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