# 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.