Which of the following constants can be added to x2 + x to form a perfect square trinomial? a.1/9 b.4/9 c.4 1/9

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03-04-2017
Mathematics

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Which of the following constants can be added to x2 + x to form a perfect square trinomial? a.1/9 b.4/9 c.4 1/9

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ItsLeviosaaa ItsLeviosaaa · Answer 1 · 2017-04-03T21:57:40+02:00

ItsLeviosaaa ItsLeviosaaa

03-04-2017

You can add 4/9.

A simple trick is to look at the numerator and denominator separately, if they're both perfect squares then you're good (4, 2^2, check. 9, 3^2, check.)

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