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harina [27]
3 years ago
8

Which of the following constants can be added to x^2+2/3 to form a perfect square trinomial?

Mathematics
1 answer:
Lera25 [3.4K]3 years ago
4 0

As your question is stated, there is no answer!


I'm going to assume the polynomial you meant is:


x^2 + \frac{2}{3} x


To create a perfect square trinomial, take half the coefficient of x and then square it.


\left( \frac{1}{2} \times \frac{2}{3} \right) ^2 = \left(\frac{1}{3} \right) ^2 =\frac{1}{9}


In all problems like this, you want to square half the coefficient of x -- always half.

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