SOLUTION: Find all numbers for which the rational expression is underfined 7 ____ 5z+1

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Find all numbers for which the rational expression is underfined 7 ____ 5z+1      Log On


   



Question 672495: Find all numbers for which the rational expression is underfined
7
____
5z+1

Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
The expression is undefined when the denominator is zero.
Find values of 'z' when
5z+1 = 0
5z = -1
z = -1/5
.
Undefined when z = -1/5