Square root of 78

Sqrt(78). Find the square root of 78 or any other real number, positive or negative. Here are the answers to questions like: Square root of 78 or what is the square root of 78?

What is square root? Definition of square root

A square root of a number 'x' is a number y such that y² = x, in other words, a number y whose square is y. For example, 8 is the square root of 64 because 8² = 8•8 = 64, -8 is square root of 64 because (-8)² = (-8)•(-8) = 64. When writing math, people often use sqrt(x) to mean the square root of x. Read more about square root here: Square Root - Wikipedia and here: Square Root - Wolfram

Square Symbol?

Here is the square root symbol. It is is denoted by √, known as the radical sign or radix.

Square root of values around 78