Which of the following is a factor of the polynomial above?
A
B
C
D
Correct answer: B
Explanation
Choice B is correct. The first and last terms of the polynomial are both squares such that and . The second term is twice the product of the square root of the first and last terms: . Therefore, the polynomial is the square of a binomial such that , and is a factor.
Choice A is incorrect and may be the result of incorrectly factoring the polynomial. Choice C is incorrect and may be the result of dividing the second and third terms of the polynomial by their greatest common factor. Choice D is incorrect and may be the result of not factoring the coefficients.
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id cb_question_bank:0660b69e-aff6-4c4f-b106-a9c49331bda7 · question dd4ab4c4 · IBN 09342-DC
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