## Is square root of 16 a whole number?

2 Answers.

Square root of 16 is +4 or -4.

Since -4 is not a natural number, the square root can be described as an integer..

## What is the positive and negative square root of 16?

In general, every positive number has two square roots. However, a negative number does not have any square roots in the real number system. For example, the number -16 has no square roots because it is imposible to find a real number that when squared gives negative 16.

## Is 16 a perfect square?

16 is a perfect square because it can be expressed as 4 * 4 (the product of two equal integers).

## Is the square root of 16 negative 4?

Expert Answers info This is because the without a sign in front signifies the principal square root which is always positive. To signify both the positive and negative square roots we use which is equal to both +4 and -4. But when you ask in words what is the square root of 16 it is 4 or -4.

## What are the positive and negative square roots of 4?

It is called principal square root denoted by √a. √ is called the radical symbol or radix and in this example, the principal square root of 4 is 2 which is denoted by √4 = 2 because 22 = 2 • 2 = 4 and 2 are non-negative….Square Root From 1 to 50.NumberSquare Root Value21.41431.7324252.23646 more rows

## Is 20 a perfect square?

Is 20 a perfect square number? A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 20 is about 4.472. Thus, the square root of 20 is not an integer, and therefore 20 is not a square number.

## What is the square root for 16?

256 4.000Table of Squares and Square RootsNUMBERSQUARESQUARE ROOT131693.606141963.742152253.873162564.00096 more rows

## What are two square roots of 16?

For example, 4 and −4 are square roots of 16, because 42 = (−4)2 = 16. Every nonnegative real number x has a unique nonnegative square root, called the principal square root, which is denoted by √x, where the symbol √ is called the radical sign or radix.