Mathematics, 20.09.2019 14:30 samiyahwhite6683
When asked to factor the trinomial x2 - 18x + 81, a student gives the answer (x - 9)(x + 9). which of the following statements is true?
a. the answer is incorrect; the trinomial cannot be factored.
b. the answer is incorrect; the minus sign should be a plus sign.
c. the answer is incorrect; the plus sign should be a minus sign.
d. the answer is correct.
Answers: 2
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When asked to factor the trinomial x2 - 18x + 81, a student gives the answer (x - 9)(x + 9). which o...
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