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Which of the following leading terms would make the expression a perfect square trinomial? ____ −140xy+100y2 A) 49x^2 B) 25x^2 C) 81x^2 D) 64x^2
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Which of the following leading terms would make the expression a perfect square trinomial?

____ −140xy+100y2

A) 49x^2
B) 25x^2
C) 81x^2
D) 64x^2

User George Stocker
by
8.5k points

1 Answer

5 votes
A) 49x^2

Because:
(7x-10y)^2 = 49x^2 - 140xy + 100y^2
User Pawan B
by
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