# FAQ: How To Extract The Square Root?

## How do you extract the square root of a number?

Key Takeaways

1. Solve equations of the form ax2+c=0 by extracting the roots.
2. Extracting roots involves isolating the square and then applying the square root property.
3. After applying the square root property, solve each of the resulting equations.
4. Solve any quadratic equation by completing the square.

## How did you find the square root of a number?

Finding the square root of a number is the inverse operation of squaring that number. Remember, the square of a number is that number times itself. The perfect squares are the squares of the whole numbers. The square root of a number, n, written below is the number that gives n when multiplied by itself.

## How do you solve root equations?

1. Isolate the radical on one side of the equation.
2. Square both sides of the equation.
3. Solve the new equation.
4. Check the answer. Some solutions obtained may not work in the original equation.

## What is the shortcut key for square root?

The Alt code for the symbol for the Square root is Alt +251 or 221A, then Alt+X. Follow these three simple steps to attach the symbol using the Alt code: – Position the pointer in the place where you want the square root symbol inserted. – Press and hold down the Alt key and type 251 from the numeric keypad.

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## What is the root square of 10?

List of Perfect Squares

NUMBER SQUARE SQUARE ROOT
8 64 2.828
9 81 3.000
10 100 3.162
11 121 3.317

## What are the roots of 4?

Square Root From 1 to 50

Number Square Root Value
3 1.732
4 2
5 2.236
6 2.449

## What is the root square of 169?

The square root of 169 is 13.