Mathematics, 28.07.2019 15:30 abrahammartinez10
Determine if x2 + 9x + 20 is a perfect square trinomial and factor. a. (x+5)(x+5) b. (x+2)(x+2) c. (x-4)(x-4) d. not a perfect square trinomial.
Answers: 2
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is a perfect square equal to x times x. Is 20 a perfect square? Can you think of an integer whose square is 20? No, so 20 is not a perfect square. We are done.
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Determine if x2 + 9x + 20 is a perfect square trinomial and factor. a. (x+5)(x+5) b. (x+2)(x+2) c. (...
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