# Is 50 a perfect square?

##### 3 Answers

An easy way you could find perfect squares is to memorize the first two, then add 2 to the differences. For example:

1, 4, 9, 16, 25, and 36 are the perfect squares up to

Now look at the differences.

See a pattern?

So, if you know that

That is, simply take the difference of two consecutive squares, add

#### Answer:

Here's an idea rather than an authoritative answer.

It may depend on the context. Normally "No", but possibly "Yes".

#### Explanation:

It is a square of an irrational, algebraic, real number, namely

For example, if you were asked to factor the polynomial

If recognising

Another example:

We know that

What about

It is still the square of a binomial:

In the context of polynomials, should we reserve the term 'perfect square' for polynomials with rational coefficients?