Square of -11

The square of a number is the product of the number by itself. The square of -11 is -11 × -11. The square of a number always ends in 0, 1, 4, 5, 6, or 9. We write it in math as (-11)², where -11 is the base and 2 is the exponent. The square of a positive and a negative number is always positive. For example, 5² = 25; (-5)² = 25.

The square of -11 is -11 × -11 = 121.

Square of -11 in exponential form: (-11)²

Square of -11 in arithmetic form: -11 × -11

The square of a number is found by multiplying the number by itself. So let’s learn how to find the square of a number. These are the common methods used to find the square of a number.

1. By Multiplication Method
2. Using a Formula
3. Using a Calculator

In this method, we multiply the number by itself to find the square. The product here is the square of the number. Let’s find the square of -11.

Step 1: Identify the number. Here, the number is -11.

Step 2: Multiplying the number by itself, we get, -11 × -11 = 121.

The square of -11 is 121.

In this method, the formula a² is used to find the square of the number, where 'a' is the number.

Step 1: Understanding the equation Square of a number = a²

a² = a × a

Step 2: Identifying the number and substituting the value in the equation.

Here, ‘a’ is -11 So: (-11)² = -11 × -11 = 121

Using a calculator to find the square of a number is the easiest method. Let’s learn how to use a calculator to find the square of -11.

Step 1: Enter the number in the calculator Enter -11 in the calculator.

Step 2: Multiply the number by itself using the multiplication button (×) That is -11 × -11

Step 3: Press the equal to button to find the answer Here, the square of -11 is 121.

Tips and Tricks for the Square of -11: Tips and tricks make it easy for students to understand and learn the square of a number. To master the square of a number, these tips and tricks will help students.

• The square of an even number is always an even number. For example, 6² = 36

• The square of an odd number is always an odd number. For example, 5² = 25

• The last digit of the square of a number is always 0, 1, 4, 5, 6, or 9.

• If the square root of a number is a fraction or a decimal, then the number is not a perfect square. For example, √1.44 = 1.2

• The square root of a perfect square is always a whole number. For example, √144 = 12.

• Negative number: A number that is less than zero. For example, -1, -2, -3, etc.

• Imaginary number: A number that when squared gives a negative result, represented as a multiple of the imaginary unit i, where i² = -1.

• Perfect square: A number that is the square of an integer. For example, 4, 9, 16, etc.

• Prime number: A positive integer greater than 1 that has no positive divisors other than 1 and itself.

• Exponential form: A way of writing numbers using a base and an exponent. For example, 2³ where 2 is the base and 3 is the exponent.