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Lilit [14]
3 years ago
6

Which of the following is a valid exclusion for the algebraic fraction:

Mathematics
1 answer:
erastova [34]3 years ago
4 0
We have the following expression:
 (27a ^ 3-1) / (9a ^ 2-6a + 1)
 Rewriting we have:
 (27a ^ 3-1) / (9a ^ 2-6a + 1)
 (27a ^ 3-1) / ((3a-1) * (3a-1))
 We exclude the values that make the denominator zero:
 3a-1 = 0
 a = 1/3
 Answer:
 
a valid exclusion for the algebraic fraction is:
 
c. a ≠ 1/3
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Answer:

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Step-by-step explanation:

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The correct answer is:  [A]:  " <span>x(y – 5) = 2 " .
</span>_____________________________________________________
Consider:
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Choice:  [A]:  " x(y–5) = 2 " ; 

Divide each side by "x" ;

" [x(y – 5)] / x  = 2/x " ; 

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Add "5" to each side of the equation:

y – 5 + 5 = 2/x + 5 ;

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Choice [B]:
 
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y - 2x = 18

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Choice C)  3y + 12 - 6x = 5 ; 

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Choice:  [D]:

2(y+x) = 0 ;

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