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25 December, 13:16

Which shows a perfect square trinomial?

a. 50y^2-4x^2

b. 100-36x^2y^2

c. 16x^2+24xy+9y^2

d. 49x^2-70xy+10y^2

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Answers (2)
  1. 25 December, 16:37
    0
    The answer is c
  2. 25 December, 17:04
    0
    Choice C is correct: 16x^2 + 24xy + 9y^2

    Step-by-step explanation:

    The easiest way to tell these is that if the parenthesis are exactly the same it will be a perfect square trinomial.

    (4x + 3y) (4x + 3y)

    16x^2 + 12xy + 12xy + 9y^2

    16x^2 + 24xy + 9y^2
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