anbunbun
What is the excluded value of the rational expression



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anbunbun
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0

anbunbun
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These are the answer choices:
–3
–2
0
2

Math4Life
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Excluded value is x = 2

anbunbun
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Thanks again!

Math4Life
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:D

SMISHRA
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Dividing by 0 is indeterminate form or meaningless. Hence 4x8 can not be 0, or x cant be 2.

SMISHRA
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Let a/0=c.
Hence c.0=a
We can not assign a definite value to c for which c.0=a.
Hence, dividing by 0 in meaningless.

Math4Life
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@SMISHRA The excluded value is what makes the denominator zero:
4x  8 = 0
4x = 8
x = 8/4
x = 2

SMISHRA
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@Math4Life , U R absolutely correct.