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What value in place of the question mark makes the polynomial below a perfect square trinomial? x²+22x+? A.22 B.121 C.44 D.11

What value in place of the question mark makes the polynomial below a perfect square trinomial? x²+22x+? A.22 B.121 C.44 D.11
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What value in place of the question mark makes the polynomial below a perfect square trinomial? x²+22x+?

A.22 B.121 C.44 D.11

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User Beaver
by
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1 Answer

5 votes

Answer:

B. 121

Explanation:

Complete the square.

Take half of the middle term, 22, and square it.

So 11^2 = 121.

answered
User Ronit Roy
by
7.4k points
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