dianam12346 dianam12346

22-06-2018
Mathematics

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For what values of x is the rational expression below undefined? x+5/3x^2-3 Check all that apply
a. 1
b. 3
c. 5
d. -5
e. -3
f. -1

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tаskmasters tаskmasters

22-06-2018

The answers are 1 and -1.
Assuming the denominator is 3x^2-3, we factor into 3(x^2 - 1) = 3(x-1)(x+1), so the denominator becomes zero for x = -1 and 1. We cannot divide by zero.

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faithdavis4 faithdavis4

12-11-2020

Answer: a and f

Step-by-step explanation:

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