3 years ago

Which of the following is equal to the rational expression below when x=11?

1 answer:

4 0

Our first expression is equal to zero:
$\frac{x^2-121}{x+11}= \frac{11^2-121}{11+11} = \frac{121-121}{22}=0$
So we simply find the expression that is equal to zero.
The final answer is a.
$x-11=11-11=0$

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