Find any numbers for which the rational expression is undefined.
-$\frac { 3 } { r + 8 }$
A)r = 0
B)r = 8
C)r = -8
D)none

Name: Find any numbers for which the rational expression is undefined. -$\frac { 3 } { r + 8 }$ A)r = 0 B)r = 8 C)r = -8 D)none
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Question

Quizplus · Accepted Answer

A rational expression is undefined when its denominator is zero. For the given expression $\frac{3}{r+8}$, it becomes undefined when $r + 8 = 0$, which solves to $r = -8$.

Find Any Numbers for Which the Rational Expression Is Undefined 3r+8\frac { 3 } { r + 8 }r+83​

Find Any Numbers for Which the Rational Expression Is Undefined $\frac { 3 } { r + 8 }$