Answers MO-Algebra II A-CR Completing The SquareQuestion 21

21

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Completing The Square

Question 21 • MO-Algebra II A-CR

Which of the following expressions are perfect-square trinomials? Check all of the boxes that apply.

Answer

A

x2 – 16x – 64

B

4x2 +12x + 9

C

x2 + 20x + 100

D

x2 + 4x + 16

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