arcianna23 arcianna23

05-09-2017
Mathematics

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Which value is needed to create a perfect square trinomial from the expression x2 + 8x + _____?

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Which value is needed to create a perfect square trinomial from the expression x2 8x Please hurry class=

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Kj00124 Kj00124

05-09-2017

I believe it's +16, if you complete the square you'd have (x+4)^2 - 16 + a = 0 where a is the value you're looking for, so to make this correct you need a = 16

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