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Which trinomial is a perfect-square trinomial? A. 9y^2-6y+4 B. 2y^2-2y-1 C. 10y^2-20y-4 D. 4y^2-4y+1
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5 votes
Which trinomial is a perfect-square trinomial?

A. 9y^2-6y+4
B. 2y^2-2y-1
C. 10y^2-20y-4
D. 4y^2-4y+1

User Fabio Gomes
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1 Answer

2 votes

Answer:

The answer is A. 9y^2-6y+4

User Ewelina
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