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OpenStudy (anonymous):
Which of the following represents a perfect square trinomial? a x2 – 14x + 49 b x2 + 14x + 49 c 4x2 + 28x + 49 d All of the above
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OpenStudy (anonymous):
b (x+7)(x+7)
OpenStudy (anonymous):
yep
OpenStudy (anonymous):
sorry all the above a= (x-7)^2 b=(x+7)^2 c= (2c+7)^2
OpenStudy (anonymous):
c= (2x+7)^2
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