How do you find the missing number or term to make a perfect square trinomial. #x^2+1/3x+___ #?
2 Answers
Jun 13, 2015
Explanation:
you're looking for a square trinomial, which is of the form
Let's find
Which means
In fact,
So
Jun 13, 2015
Perfect square trinomials are of the form
In this case
Explanation:
Compare:
with
We can obviously put
Comparing the coefficient of
Divide both sides by
So
which is the missing term.