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umka2103 [35]
3 years ago
7

Which trinomials are perfect square trinomials?

Mathematics
1 answer:
Katen [24]3 years ago
8 0
To find out what the perfect square trinomial is, look at the middle term and the last term.

(Middle term ÷ 2)² has to be the last term

y² + 6y + 36
divide 6 ÷ 2 = 3
square it 3² = 9
This trinomial is not a perfect square trinomial.

Your answers are 

y² + 20y + 100 , y² + 18y + 81

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