Square of -4

The square of a number is the product of the number by itself. The square of -4 is -4 × -4. The square of a number always ends in 0, 1, 4, 5, 6, or 9. We write it in math as (-4)², where -4 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 -4 is -4 × -4 = 16.

Square of -4 in exponential form: (-4)²

Square of -4 in arithmetic form: -4 × -4

The square of a number is 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 will multiply the number by itself to find the square. The product here is the square of the number. Let’s find the square of -4

Step 1: Identify the number. Here, the number is -4

Step 2: Multiplying the number by itself, we get, -4 × -4 = 16.

The square of -4 is 16.

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 -4 So: (-4)² = -4 × -4 = 16

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 -4.

Step 1: Enter the number in the calculator Enter -4 in the calculator.

Step 2: Multiply the number by itself using the multiplication button (×) That is -4 × -4

Step 3: Press the equal to button to find the answer Here, the square of -4 is 16.

Tips and Tricks for the Square of -4: 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.

• Even number: An integer divisible by 2 without a remainder. For example, -4, 2, 6, 8.

• Imaginary number: A number that when squared gives a negative result. For example, the square root of -1 is i.

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

• Exponent: A mathematical notation indicating the number of times a number is multiplied by itself. For example, in (-4)², 2 is the exponent.

• Multiplication: The mathematical operation of scaling one number by another. For example, -4 × -4 = 16.