How Do You Find the Absolute Value of a Complex Number?

How Do You Find the Absolute Value of a Complex Number?

Note:

The absolute value of a complex number is just the distance from the origin to that number in the complex plane! This tutorial shows you how to use a formula to find the absolute value of a complex number.

Keywords:

  • problem
  • absolute value
  • complex numbers
  • pythagorean theorem
  • complex plane
  • distance from zero

Background Tutorials

  • Real Number Definitions

      • What's a Real Number?What's a Real Number?

      What's a Real Number?

      Real numbers are numbers that can be found on the number line. This includes both the rational and irrational numbers. This tutorial explains real numbers and gives some great examples. Take a look!

  • Right Triangles and the Pythagorean Theorem

      • What is the Pythagorean Theorem?What is the Pythagorean Theorem?

      What is the Pythagorean Theorem?

      The Pythagorean theorem is a very popular theorem that shows a special relationship between the sides of a right triangle. In this tutorial, you'll get introduced to the Pythagorean theorem and see how it's used to solve for a missing length on a right triangle!

  • Evaluating Expressions

      • What is the Substitution Property of Equality?What is the Substitution Property of Equality?

      What is the Substitution Property of Equality?

      If you ever plug a value in for a variable into an expression or equation, you're using the Substitution Property of Equality. This property allows you to substitute quantities for each other into an expression as long as those quantities are equal. Watch this tutorial to learn about this useful property!

  • Ordered Pairs and The Coordinate Plane

      • What is the Origin?What is the Origin?

      What is the Origin?

      The coordinate plane has two axes: the horizontal and vertical axes. These two axes intersect one another at a point called the origin. Learn about the ordered pair that indicates the origin and its location in the coordinate plane by watching this tutorial!

      • What is the Coordinate Plane?What is the Coordinate Plane?

      What is the Coordinate Plane?

      You can't graph a function or plot ordered pairs without a coordinate plane! Learn about the coordinate plane by watching this tutorial.

  • Powers and Exponents

      • How Do You Square a Number?How Do You Square a Number?

      How Do You Square a Number?

      Want to square a number? Just take the number and multiply it by itself! If you square an integer, you get a perfect square! Check out squaring in this tutorial!

  • Prime Factorization

      • What's a Prime Number?What's a Prime Number?

      What's a Prime Number?

      Prime numbers aren't too hard to define, but they still puzzle professional mathematicians. Believe it or not, all over the word computers are chugging away, trying to find the next biggest prime! Bigger and bigger prime numbers help keep your credit card info safe through really cool encryption techniques. So prime numbers really matter every day, and you can learn how they are defined in this tutorial.

Further Exploration

  • Graphing Complex Numbers

      • How Do You Graph Complex Numbers?How Do You Graph Complex Numbers?

      How Do You Graph Complex Numbers?

      To understand a complex number, it's important to understand where that number is located on the complex plane. This tutorial helps you practice graphing complex numbers!