Select ALL of the following for which there exist nonzero constants which can be substituted into the equation to make it true.

A) a / (x-2) (x+7) = b / (x-2)

B) a / (x-2) (x+7) = b / (x-2) + c / (x+7)

C) a / (x-2) (x+7) = b / (x-2) + c / (x+7) + 6

D) none of the above?

Question

Julissa Wood

Mathematics

15 July, 21:56

Select ALL of the following for which there exist nonzero constants which can be substituted into the equation to make it true.

A) a / (x-2) (x+7) = b / (x-2)

B) a / (x-2) (x+7) = b / (x-2) + c / (x+7)

C) a / (x-2) (x+7) = b / (x-2) + c / (x+7) + 6

D) none of the above?

+3

Answers (1)

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Kenyon Good · Answer 1

The non zero constant is where if the both variables are substituted as zero the resulting would e non zero but also it should be valid and would make the equation true in the process of equality. I think the best answer to this question is D. none of the above

Select ALL of the following for which there exist nonzero constants which can be substituted into the equation to make it true.A) a / (x-2) (x+7) = b / (x-2)B) a / (x-2) (x+7) = b / (x-2) + c / (x+7)C) a / (x-2) (x+7) = b / (x-2) + c / (x+7) + 6D) none of the above?

Select ALL of the following for which there exist nonzero constants which can be substituted into the equation to make it true.

A) a / (x-2) (x+7) = b / (x-2)

B) a / (x-2) (x+7) = b / (x-2) + c / (x+7)

C) a / (x-2) (x+7) = b / (x-2) + c / (x+7) + 6

D) none of the above?